Biology is an exciting, diverse field ranging from the molecular biology of individual cells to interactions among entire populations of organisms. Members of the biology faculty are recognized internationally for their research and bring a variety of strengths and teaching styles into the classroom. The major program in biology provides a thorough education in the history of scientific discovery in biology, the logical and statistical procedures used to formulate and to test biological hypotheses, and technical skills needed for conducting contemporary biological research. The biology major program emphasizes the hierarchical nature of biological complexity and the major structures and functions that emerge at the molecular, cellular, organismal, populational and ecosystem levels. Each student masters at least one dimension of contemporary research in sufficient detail to describe the major hypotheses currently being tested and to demonstrate techniques used to test those hypotheses. Mastery of this material is evident in a student's ability to critique published data, identifying ambiguities and uncertainties in conclusions drawn from those data, and to evaluate the societal importance of the research. Biology majors are prepared to make creative contributions to biology.

The biology major program provides a wide range of research opportunities. Because more than 400 faculty members conduct research in biology and biomedical sciences at Washington University, it is easy to find a project that suits a student's main interests. Many students complete their research projects at the Washington University School of Medicine, one of the top-ranked medical schools in the country. Summer research fellowship programs are available, funded by sources including the Howard Hughes Medical Institute, Children's Discovery Institute, National Science Foundation, and the Washington University Office of Undergraduate Research. Visit http://www.nslc.wustl.edu/courses/Bio500/bio500.html for detailed information on finding a research mentor. The biology department publishes a handbook that describes relevant careers in the biotechnology industries, agriculture, science communication, academic research and teaching, and health-related areas such as medicine, veterinary medicine, dentistry and genetic epidemiology (visit http://www.nslc.wustl.edu/handbook/handbook.pdf).

Phone:(314) 935-6860
E-mail:webmaster@biology.wustl.edu
Departmental website:http://wubio.wustl.edu

The Major in Biology

Total units required: 58–67

Required courses:

Biol 2960Principles of Biology I4
Biol 2970Principles of Biology II4
Chem 111AGeneral Chemistry I3
Chem 112AGeneral Chemistry II3
Chem 151General Chemistry Laboratory I2
Chem 152General Chemistry Laboratory II2
Chem 261Organic Chemistry I with Lab4
Chem 262Organic Chemistry II with Lab4
Math 132Calculus II3
Math 2200Elementary Probability and Statistics3
or Math 233 Calculus III
or Math 3200 Elementary to Intermediate Statistics and Data Analysis
Physics 117AGeneral Physics I4
or Physics 197 Physics I
Physics 118AGeneral Physics II4
or Physics 198 Physics II

Students may substitute Chem 401 Physical Chemistry I for Chem 262 Organic Chemistry II with Lab. Students who plan to take physical chemistry must take Math 233 Calculus III. Math 2200 Elementary Probability and Statistics, required for tracks in ecology and evolution and in genomics and computational biology, and Math 322 Biostatistics are valuable, particularly for students interested in research. Students who have taken Math 233 may take Math 3200 Elementary to Intermediate Statistics and Data Analysis rather than Math 2200 Elementary Probability and Statistics for a more advanced treatment of statistics.

At least 18 units in advanced biology courses (numbered 300 or above) are required. These 18 units may not include Biol 303A, Biol 307A, Biol 374, Biol 387, Biol 388, Biol 393, Biol 429, Biol 487, Biol 488; cross-listed courses originating in other departments (except Biol 360, Biol 4202, Biol 4810 and Biol 4820, which count as biology major credit despite external origins); courses in University College; or more than 3 units of history-of-science courses. Majors are required to take at least one course from each of these three areas:

Area A: Cellular and Molecular Biology

Biol 3041Plant Biology and Genetic Engineering4
Biol 334Cell Biology3
Biol 3371Eukaryotic Genomes4
Biol 349Microbiology4
Biol 4025Current Approaches in Plant and Microbial Research4
Biol 424Immunology4
Biol 451General Biochemistry4
Biol 4810General Biochemistry I3
Biol 4820General Biochemistry II3

Area B: Organismal Biology 

Biol 3151Endocrinology3
Biol 328Principles in Human Physiology4
Biol 3411Principles of the Nervous System3
Biol 3421Introduction to Neuroethology3
Biol 3422Genes, Brains and Behavior3
Biol 4023How Plants Work: Physiology, Growth and Metabolism3
Biol 4030Biological Clocks3
Biol 4071Developmental Biology3

Area C: Evolution, Ecology and Population Biology

Biol 3501Evolution4
Biol 381Introduction to Ecology3
Biol 4170Population Ecology3
Biol 4181Population Genetics (and Microevolution)3
Biol 4182Macroevolution3
Biol 4183Molecular Evolution3
Biol 419Community Ecology4
Biol 4202Evolutionary Genetics3
Biol 472Behavioral Ecology4

Majors also must take an advanced laboratory course from the following list:

Biol 3110Vertebrate Structure Laboratory4
Biol 3491Microbiology Laboratory3
Biol 3492Laboratory Experiments with Eukaryotic Microbes3
Biol 360Biophysics Laboratory3
Biol 373Laboratory on the Evolution of Animal Behavior3
Biol 404Laboratory of Neurophysiology4
Biol 4193Experimental Ecology Laboratory4
Biol 4241Immunology Laboratory3
Biol 4342Research Explorations in Genomics4
Biol 434WResearch Explorations in Genomics (Writing-Intensive)4
Biol 437Laboratory on DNA Manipulation4
Biol 4520Protein Function in Model Cellular Systems3
Biol 4522Laboratory in Protein Analysis, Proteomics and Protein Structure3
Biol 4523Mutagenesis and Enzyme Analysis4

All courses to be counted toward a major in biology must be taken for a letter grade if a letter grade is offered. A grade of C– or better must be earned in all of these courses.

In special cases, students may earn credit for graduate courses offered by the Division of Biology and Biomedical Sciences.

Optional Biology Major Tracks

A student majoring in biology may choose one of four optional tracks within the major if the student's interests lie primarily within one of these subfields of biology. A track provides strong training for graduate study in its subfield. All tracks require completion of the biology major requirements as stated above but provide concentrated study in one of the four subfields.

The Major in Biology: Ecology and Evolution Track

Additional requirements include Math 2200 or Math 3200. Students whose main interest is ecology must take at least two ecology electives and one evolution elective; students whose main interest is evolution must take at least two evolution electives and one ecology elective (evolution electives: Biol 3501, Biol 4181, Biol 4182, Biol 4183, Biol 4202; ecology electives: Biol 381, Biol 4170, Biol 419, Biol 472). Also required are one elective in analytical methodology (CSE 131, CSE 424 or Math 322) and one elective in earth and planetary sciences (EPSc 201, EPSc 323 or EPSc 418). The course used to fulfill the advanced laboratory requirement for the major must be Biol 373, Biol 4193, Biol 437, Biol 4342 or Biol 434W.

The Major in Biology: Genomics and Computational Biology Track

Additional requirements include Biol 3371 (or Biol 4183 or Biol 548), Math 2200 or Math 3200, and two outside electives (CSE 131, CSE 241). The course used to fulfill the advanced laboratory requirement for the major must be Biol 3492, Biol 4342, Biol 434W or Biol 437. Biology courses recommended for students in this track include Biol 334, Biol 3422, Biol 349, Biol 4030, Biol 4181, Biol 4183 and Biol 4810. Recommended electives outside biology include CSE 240, CSE 447T, Math 217 and Math 309.

The Major in Biology: Biochemistry and Molecular Biology Track

Additional requirements include both Biol 4810 and Biol 4820; and either Biol 334, Biol 3371 or Biol 349. The advanced laboratory course used to fulfill major requirements must be one of the following: Biol 3491, Biol 3492, Biol 4342/Biol 434W, Biol 437, Biol 4520, Biol 4522 and Biol 4523. Additional biology courses recommended for students in this track include Biol 3041, Biol 4023, Biol 4183, Biol 4832 and Biol 5312.

The Major in Biology: Neuroscience Track

Biology major requirements must be met with the following courses: Biol 3058, area A (Biol 334, Biol 451, Biol 4810 or Biol 4820), area B (Biol 3411), any course in area C, and advanced laboratory (Biol 360 or Biol 404). Students must select at least one biology elective (Biol 3110, Biol 3151, Biol 328, Biol 3371Biol 3421, Biol 3422, Biol 4030, or Biol 437) and one outside elective either in physics (Physics 350, Physics 352, Physics 355 or Physics 360) or in psychology (Psych 330, Psych 360, Psych 3604 or Psych 4604). Math 2200 (or Math 3200) is recommended.

See also related majors in biomedical engineering, philosophy–neuroscience–psychology (PNP) and philosophy of science.

The Major in Environmental Biology

Students interested in environmental biology typically take Biol 2950 Introduction to Environmental Biology during fall of the freshman year, although it may be taken later. A 400-level class to be required for Latin honors in environmental biology will be introduced. All other courses required for the environmental biology major are currently listed.

Required courses:

Biol 2950Introduction to Environmental Biology3
Biol 2960Principles of Biology I (lecture and lab)4
Biol 2970Principles of Biology II (lecture and lab)4
Biol 381Introduction to Ecology3
Chem 111A
  & Chem 151
General Chemistry I
   and General Chemistry Laboratory I (lecture and lab)
5
Chem 112A
  & Chem 152
General Chemistry II
   and General Chemistry Laboratory II (lecture and lab)
5
EPSc 201Earth and the Environment (lecture and lab)4
Math 131Calculus I3
Math 132Calculus II3
Physics 117AGeneral Physics I4
or Physics 197 Physics I

One of the following Chemistry courses:

Chem 261Organic Chemistry I with Lab4
EPSc 323Biogeochemistry3

One of the following courses in Statistics, GIS:

Math 2200Elementary Probability and Statistics3
Math 3200Elementary to Intermediate Statistics and Data Analysis3
EnSt 380Applications in GIS3

One upper-level Biology lab course:

Any course that fulfills the advanced laboratory requirement of the biology major is acceptable; we recommend: Biol 4193 Experimental Ecology Laboratory (4 credits, writing intensive).

One of the following Biol 300+ courses (Area A and B in Biology):

Biol 3041Plant Biology and Genetic Engineering4
Biol 334Cell Biology3
Biol 349Microbiology4
Biol 3151Endocrinology3
Biol 328Principles in Human Physiology4
Biol 3411Principles of the Nervous System3
Biol 3421Introduction to Neuroethology3
Biol 3422Genes, Brains and Behavior3
Biol 4023How Plants Work: Physiology, Growth and Metabolism3
Biol 4025Current Approaches in Plant and Microbial Research4
Biol 4030Biological Clocks3
Biol 451General Biochemistry4
Biol 4810General Biochemistry I3

One of the following Biol 300+ courses (Area C in Biology):

Biol 3501Evolution4
Biol 4170Population Ecology3
Biol 4181Population Genetics3
Biol 4182Macroevolution3
Biol 419Community Ecology4
Biol 472Behavioral Ecology4

One additional Biol 300+ major-track course (may include Biol 500):

One of the following EPSC 300+ courses:

EPSc 323Biogeochemistry (only if not already taken for chemistry requirement)3
EPSc 352Earth Materials5
EPSc 353Earth Forces4
EPSc 385Earth History3
EPSc 408Earth's Atmosphere and Global Climate3
EPSc 409Surface Processes4
EPSc 413Introduction to Soil Science3
EPSc 422Sedimentary Geology4
EPSc 428Hydrology3
EPSc 443Methods in Biogeochemistry3
EPSc 444Environmental Geochemistry3
EPSc 448Microbial Geochemistry3

Additional Information

Research: Research opportunities are available in the student's first or second year through Biol 200; such opportunities are available in the third and fourth years through Biol 500. A research emphasis in the major requires at least 6 credits (two semesters) of Biol 500 research and an approved senior thesis on this research. The research emphasis is acknowledged on the degree either by Latin honors or by a research milestone (for students who do not meet the GPA requirements for Latin honors as described below).

Senior Honors: Biology majors are encouraged to work for senior honors, which requires a 3.30 grade point average in biology, a 3.30 average in nonbiological sciences (mathematics, chemistry and physics courses) and a 3.65 overall grade point average at the time of graduation. Also required are 6 units of Biol 500 research and an approved thesis from this work. Students interested in Senior Honors should begin Biol 500 no later than spring of the junior year.

The Biology department awards the Marian Smith Spector Prize to an undergraduate who has an excellent academic record and submits an outstanding honors thesis. It also awards the Harrison D. Stalker Prize to a graduating senior whose college career is distinguished by scholarship, service and breadth of interest.

The Minor in Biology

Units required: 18 units of biology and 14 units of chemistry

Required courses:

Biol 2960Principles of Biology I (prequisite Chem 111A)4
Biol 2970Principles of Biology II (prerequisite Chem 112A)4
Chem 111A
  & Chem 151
General Chemistry I
   and General Chemistry Laboratory I
5
Chem 112A
  & Chem 152
General Chemistry II
   and General Chemistry Laboratory II
5
Chem 261Organic Chemistry I with Lab4
Total units22

Elective courses:

The minor requires 10 advanced units in biology selected from the following:

Biol 3041Plant Biology and Genetic Engineering4
Biol 3058Physiological Control Systems2
Biol 3100R Workshop in Biology1
Biol 3110Vertebrate Structure Laboratory4
Biol 3151Endocrinology3
Biol 328Principles in Human Physiology4
Biol 334Cell Biology3
Biol 3371Eukaryotic Genomes4
Biol 3411Principles of the Nervous System3
Biol 3421Introduction to Neuroethology3
Biol 3422Genes, Brains and Behavior3
Biol 349Microbiology4
Biol 3491Microbiology Laboratory3
Biol 3492Laboratory Experiments with Eukaryotic Microbes3
Biol 3501Evolution4
Biol 360Biophysics Laboratory3
Biol 373Laboratory on the Evolution of Animal Behavior3
Biol 381Introduction to Ecology3
Biol 4023How Plants Work: Physiology, Growth and Metabolism3
Biol 4025Current Approaches in Plant and Microbial Research4
Biol 4030Biological Clocks3
Biol 404Laboratory of Neurophysiology4
Biol 4071Developmental Biology3
Biol 4170Population Ecology3
Biol 4181Population Genetics3
Biol 4182Macroevolution3
Biol 4183Molecular Evolution3
Biol 419Community Ecology4
Biol 4193Experimental Ecology Laboratory4
Biol 4202Evolutionary Genetics3
Biol 424Immunology4
Biol 4241Immunology Laboratory3
Biol 427Problem-Based Learning in Biomedical Sciences3
Biol 4331Algae: Cell Biology and Molecular Evolution2
Biol 4342Research Explorations in Genomics4
Biol 434WResearch Explorations in Genomics (Writing-Intensive)4
Biol 437Laboratory on DNA Manipulation4
Biol 451General Biochemistry4
Biol 4520Protein Function in Model Cellular Systems3
Biol 4522Laboratory in Protein Analysis, Proteomics and Protein Structure3
Biol 4523Mutagenesis and Enzyme Analysis4
Biol 472Behavioral Ecology4
Biol 4810General Biochemistry I3
Biol 4820General Biochemistry II3
Biol 4830Bioenergy2
Biol 4832Molecular Mechanisms of Photosynthesis and Respiration3

Additional Information

All courses utilized for the biology minor must be taken for a letter grade. A grade of C– or better must be earned in all of these courses.

Visit https://courses.wustl.edu to view semester offerings for L41 Biol.


L41 Biol 112 Introduction to Problem-based Learning in Biology

Small groups of students take responsibility for their own active learning in their team with guidance from an instructor. Each group in rotation considers four problems of biological importance such as rainforest destruction, coral reefs, laboratory diagnoses, sleep, high altitude, deafness, infertility, modern epidemics, clinical cases, genetic engineering and cloned animals. Students find the background information by library searches and integrate this knowledge in group discussions. Enrollment limited. Intended for but not limited to prospective biology majors. Prerequisite: high school biology, preferably an AP class. For freshmen only.

Credit 3 units. A&S: NS A&S IQ: NSM Arch: NSM Art: NSM BU: SCI


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L41 Biol 171 Neuroscience Futures 1: How do we learn about the brain?

In this seminar course for first-year students, students learn about how neurobiologists conduct and communicate research. We focus our discussion on primary research papers written by WUSTL neurobiologists, who visit the class to present their work. Discussion then focuses on the formulation of scientific questions, evaluation of evidence and interpreting data within the context of a broader field. Students meet neuroscience colleagues in two joint class periods with participants in a neurobiology seminar for 2nd, 3rd and 4th year students.

Credit 1 unit. Arch: NSM


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L41 Biol 1770 Genetics and Behavior of Dog Breeds

This freshman seminar uses the topic of dog behavior and genetics to teach fundamental scientific tools and to engage students in contributing to the building of an online public resource that summarizes the scientific literature on breeds. Our first task is learning to read and dissect primary scientific literature. We parse out the difference between scientific questions, hypotheses and predictions through a guided case-study exercise. We then apply the experience to outlining primary research articles, identifying the key components of the author's arguments, and summarizing the results and implications. The second half of the semester is spent searching the scientific literature, sorting information into the new dog breed resource, and presenting results to peers around the seminar table.

Credit 1 unit.


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L41 Biol 181 Freshman Seminar in Biology

A lecture course intended for first-year students that focuses on the practice and culture of biomedical research. Active researchers describe the biological context of their research, the specific questions formulated, the means by which they pursue the answers, and their data and conclusions. The focus is on process: how biologists pursue their profession in a research setting. Additional topics of clinical and contemporary interest are often included. Students are expected to attend all lectures. Must be taken credit/no credit.

Credit 1 unit. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 1810 Freshman Seminar in Imaging Sciences

An introduction to the breadth and depth of imaging sciences across the schools of Arts & Sciences, Medicine and Engineering, on topics from radiology to cell biology. Seminars are presented by experts in these fields to acquaint undergraduate students with advances in imaging sciences and research opportunities in these areas. No prerequisites, primarily for freshmen and sophomores, but open to all students.

Credit 1 unit. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 191 Phage Hunters

A research-based laboratory class for freshmen. Students join a national experiment organized by HHMI, with the goal of isolating and characterizing bacteriophage viruses found in the soil in the St. Louis area. Laboratory work includes isolation and purification of the student's own phage, DNA isolation and restriction mapping, and EM characterization of student's phage. Several WUSTL phage are selected for genome sequencing over winter break, and are annotated in the spring in Biol 192, Phage Bioinformatics. Students who successfully isolate and annotate a phage may become co-authors on a scientific paper. Prerequisites: high school courses in biology and chemistry, at least one at the AP or International Baccalaureate level; permission of the instructor. Limited to 40 students. One hour lecture, one hour discussion, and three hours lab per week.
Same as Focus 1910

Credit 3 units. A&S: NS A&S IQ: NSM BU: SCI


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L41 Biol 192 Phage Bioinformatics

A research-based laboratory class for freshmen. Students join a national experiment organized by HHMI, with the goal of genomic characterization of a local phage. Laboratory work focuses on learning computer-based tools for genome analysis followed by annotation and comparative analysis of the genome of a phage (bacterial virus) that was isolated fall semester at WUSTL and sequenced over winter break. Prerequisites: high school courses in biology, chemistry and physics, at least one at the AP or International Baccalaureate level; permission of the instructor. Limited to 40 students; preference given to those completing Biol 191 Phage Hunters. One hour lecture, one hour discussion and three hours lab per week.
Same as Focus 1920

Credit 3 units. A&S: NS A&S IQ: NSM BU: SCI


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L41 Biol 193 Investigating Eukaryotic Genomes

An introduction into the world of genes and genomes in higher organisms (eukaryotes). An exploration of genes and genomes, their organization, evolution and function, considering genetic disabilities and the ethics of genetic testing in the context of ongoing genomic research. The course is a combination of lecture/discussion of genes and genomes, including societal issues, and computer based analysis of particularly interesting regions of the genome of the fruit fly Drosophila melanogaster, providing an introduction to bioinformatics. All enrolled students contribute to the ongoing analysis of Drosophila dot chromosomes, becoming eligible to be co-authors on the resulting publication. Prerequisites: Students should have a good grounding in science and math, including high school biology and chemistry, with at least one science course at the AP or IB level. Letter grade. Class meets 5 hours/week (1 hour lecture, 1 hour discussion, 3 hour lab). Open to freshmen and sophomores. Fall semester.

Credit 3 units. A&S IQ: NSM


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L41 Biol 200 Introduction to Research

An introduction to laboratory and field research in biology for first- and second-year students. Students work under the supervision of a sponsor in a setting of established, ongoing research. Prerequisite: permission of sponsor and the department. For online enrollment instructions see: http://nslc.wustl.edu/courses/Bio500/bio500.html. Students are registered by the department after approval is granted. Registration may not appear in Webstac until mid-semester.

Credit variable, maximum 3 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 2010 The Science of Biotechnology

Biotechnology is truly interdisciplinary with a myriad of pieces from biology, chemistry, engineering, physics, computer sciences, management, public policy and law that apply the scientific process to societal challenges. This course introduces topics for science and engineering majors with an interest in biotech and teaches scientific concepts to business students considering careers in biotech management and entrepreneurship. Students completing Biol 2010 understand key science concepts, how discoveries lead to applications addressing global challenges, effectively use a variety of resources to explore connections between science and biotech business, synthesize information from different fields, exhibit strong teamwork skills, and communicate information in written and oral forms. This course also provides a gateway for students interested in the two-year Biotech Explorers Program (BEP). The first two weeks of the course introduce students to the history of biotechnology, the BEP, and the use of case studies. The remainder of the course uses a series of four 3-week units that combine lecture material, in-class group assignments, and readings to introduce the science and scope of biotechnology. For each unit, student teams also develop short case studies of St. Louis biotech companies and present their findings to the class. A series of site-visits introduces students to the vibrant St. Louis biotech community. Limited to 20 students.

Credit 3 units. A&S: NS A&S IQ: NSM


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L41 Biol 2020 Biotechnology Entrepreneurs Seminar

Although the biotech industry is science-based, the risks of product and technology development, legal issues, and market pressures make the landscape full of uncertainty. Lectures and textbooks fall short of delivering true insight about the process and challenges of bringing ideas to real-world products. This second semester freshman seminar course is designed to develop an appreciation of how biotech companies achieve their goals by engaging students through interactions with experienced executives and entrepreneurs, whose shared knowledge and stories add depth and context to the learning process. This 1-credit seminar course introduces students to the basics of innovation and entrepreneurship as a framework for marketable discoveries; builds an appreciation of how biotech companies start, obtain funding, and navigate intellectual property; provides an overview of career options in biotech, and insight on the hiring process. Prerequisite: Students need to have completed Biol 2010: The Science of Biotechnology for enrollment in this course and must be currently enrolled in Biol 2960: Principles of Biology I. Limited to 20 students. Same as L61 Focus 2020.

Credit 1 unit.


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L41 Biol 2342 Wilderness First Aid

The National Outdoor Leadership School (NOLS) has developed a comprehensive curriculum to instruct individuals in backcountry first aid. This curriculum is the main content taught in the course. After successfully completing this detailed 18 hour NOLS Wilderness First Aid course, students are required to write-up a full assessment and treatment plan (5-7 page minimum) for one of the wilderness casualties described in Peter Stark's Last Breath. Students meet for a half-day seminar during which each presents their case, assessment, underlying physiology, and treatment plan to the group. They receive feedback from one another, and from the instructor, about their assessment, explanation of the relevant physiology, and action of their proposed intervention.

Credit 1 unit. A&S: NS A&S IQ: NSM


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L41 Biol 2431 Focus: Missouri's Natural Heritage

Missouri's Natural Heritage is a multidisciplinary two-semester Freshman Focus course. The first semester of the sequence focuses on Missouri geology, climate, archaeology, and native megafauna. This provides a foundation on which to examine the ecology, restoration and management of our diverse habitats (prairie, forest, glade and stream) and the biology of our diverse plant and animal wildlife (arthropods, mollusks, fish, salamanders, lizards, birds and mammals) in the second semester. We also introduce basic concepts in biodiversity and resource management with attention to resolution of conflicts of interest. In addition to weekly lecture and discussion, students in this class visit sites across the state during three weekend camping trips and a longer camping trip during winter break. Attendance on field trips is an essential component of the course and grade. Lab fee of $480 covers transportation and meals for all field trips.
Same as Focus 2431

Credit 3 units. A&S IQ: NSM BU: SCI


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L41 Biol 265 Experience in the Life Sciences

Section 01: Earn credit for nonclassroom learning in the life sciences in a variety of activities: accompany a physician on rounds and prepare a paper on an organ system or disease; participate in a clinical or applied ecological study and report on it; participate in science outreach teaching, etc. Participants must meet regularly with a supervisor and commit at least 140 hours over two semesters. A work plan is approved prior to registration. A progress report is due after one semester and a final paper after two semesters. Does not count toward the major. Credit: 1.5 units per semester, contingent upon completion of two semesters. Visit http://nslc.wustl.edu/research.html. CBTL course. Credit/no credit only. Section 02: Participate in teaching anatomy and physiology, exercise science (fitness education) and/or nutrition in the St. Louis area. Students serve the community by offering knowledge-based teaching assistance, including development of educational materials, to a diverse population of students and/or adults. Participants spend at least 72 hours per semester as a classroom teaching assistant and/or as a health educator during community health fairs. Mandatory seminars include readings relevant to the semester plan. A class schedule and a contract for successful completion of the course is reviewed and approved by the course coordinator (Ruth Clark, P.T., PhD), high school instructor (TBD) and individual student. Permission of course coordinator required via interview. Prerequisites: minimum 6 credits of college-level anatomy and/or physiology course work, minimum science GPA of 3.2. Does not count toward the major. Credit: 2–3 credits/semester; Credit/no credit only. Section 03: Conduct a clinical research project with an emergency-medical faculty member. Activities may include screening/enrolling patients, chart reviews, collecting and analyzing data, and clinical shadowing time. Goals include submitting an abstract for a national research meeting and coauthoring a manuscript for publication. Prerequisite: Biol 2652 or Biol 2653. Does not count toward the major. Credit: 1.5 units per semester, contingent upon completion of two semesters. CBTL course. Credit/no credit only.

Credit 1.5 units. Art: NSM


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L41 Biol 2651 MedPrep Program — Experience in Life Sciences

MedPrep I is a unique lecture series taught by a physician, medical school Course Master and member of the Committee on Admissions for the School of Medicine. Through a weekly two-hour lecture, this course gives students accurate, honest and detailed information regarding every step of the application and admissions process to medical school and the educational process and life of a physician. MedPrep I is particularly useful for freshmen and sophomores in that it reviews the common pitfalls encountered by unsuccessful applicants to medical school. There is no outside course work and no exam. Attendance at all classes is required. Registration for Biol 2651 is done through the MedPrep website at http://medprep.wustl.edu. Registration is NOT done through WebStac.

Credit 1 unit.


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L41 Biol 2652 Pediatric Emergency Medicine Research Associates Program: Experiences in Life Sciences

The Pediatric Emergency Medicine Research Associates Program (PEMRAP) offers undergraduate pre-medical students an opportunity to participate in clinical, patient-oriented research projects in a hospital setting. Students have the opportunity to work in the St. Louis Children's Hospital Emergency Department, a nationally recognized pediatric emergency medicine and trauma care facility. A number of research projects are currently underway in various areas of pediatric emergency medicine. Credit/No Credit Research Associates are expected to work two 4-hour shifts per week in the St. Louis Children's Hospital Emergency Department and to attend a weekly 2-hour lecture on Tuesdays in conference room 10A of the Northwest Tower Building (across from Children's Hospital) from 1:30–3:30 p.m. Weekly meetings include lectures given by Emergency Department faculty members. This program offers students the unique opportunity to be a vital part of the ED research team. In addition, the RA's experience in the ED may help him or her determine if medicine is truly the career path he or she wishes to choose. May not be taken concurrently with Biol 2654: MedPrep II. CBTL course.

Credit 3 units.


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L41 Biol 2654 MedPrep II — Experience in the Life Sciences

MedPrep II offers students a real world, behind-the-scenes experience of a life in medicine. For three hours every other week, students shadow physicians in the Charles F. Knight Emergency and Trauma Center of Barnes-Jewish Hospital, the main teaching hospital of the Washington University School of Medicine. A weekly one-hour class is also held on the Danforth Campus for group discussion regarding the clinical experiences of the students. There is no outside course work and no exam. Attendance at all classes is required. Because of the orientation material covered, students must be present at the first class to take this course. Registration for Biol 2651 is done through the new MedPrep website at http://medprep.wustl.edu, not through WebStac. Prerequisite: Successful completion of Biol 2651 is required to take Biol 2654.

Credit 1 unit.


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L41 Biol 2656 Introduction to Health Professions: Occupational Therapy, Physical Therapy and Audiology

This course provides students interested in health professions with an overview of occupational therapy, physical therapy and audiology. Students gain a better understanding of the scope of practice, markets and skills required to succeed in these professions. Students learn about graduate and professional education options and how to build a competitive application for these programs. Finally, students are introduced to field experiences in each area and culminate their study with an inter-professional education session illustrating the role of each of the professions in a single case. Students finish the course with a better understanding of whether a career in health professions is right for them.

Credit 1 unit.


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L41 Biol 2950 Introduction to Environmental Biology

This course introduces students to our major environmental problems, and gives examples about how research in biology, chemistry, physics and math is necessary to solve these problems.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 2960 Principles of Biology I

The course provides an introduction to cellular, molecular and developmental biology. An understanding of cellular architecture and the properties of biological macromolecules is integrated with discussion of the flow of genetic information within cells. The final section of the course covers investigation and manipulation of genetic information by molecular genetic technologies, as well as developmental strategies employed by multicellular eukaryotes. Weekly labs reinforce concepts from lectures and explore common laboratory techniques and computer-based resources. Prerequisites: Chem 111 and Chem 112 (concurrently). Three hours of lecture and two hours of lab per week.

Credit 4 units. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 2961 Collaborative Phage Bioinformatics

A research-based laboratory for those enrolled in Biol 2960, this class provides an opportunity to join a research team with the goal of genomic characterization of a locally isolated phage (a virus that infects a bacterial host). Similar to Biol 192, but using a condensed format and a larger team to tackle each phage. Lab work focuses on learning computer-based tools for genome analysis, followed by careful annotation of several genes from your phage, and in-depth investigation of one gene. Requires concurrent enrollment in Biol 2960 Principles of Biology I; not open to students enrolled in Biol 192. One 2-hour pre-class online review/preparation session, nine 2-hour laboratory sessions, and a final poster presentation. (Lab does not meet in weeks with a scheduled Biol 2960 midterm.) May be taken for a letter grade or Credit/No Credit.

Credit 1 unit. A&S: NS A&S IQ: NSM


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L41 Biol 2970 Principles of Biology II

A broad overview of genetics, including Mendelian assortment, linkage, chromosomal aberrations, variations in chromosome number, mutation, developmental genetics, quantitative genetics, population genetics, mechanisms of evolution, and phylogenetics. Three lectures and one laboratory period each week. Does not fulfill the laboratory requirement of the biology major. Students must sign up for a lab during preregistration. Prerequisite: Biol 2960 or permission of instructor. Examination schedule: tests, at which attendance is required, are given on specific Wednesday evenings to be announced.

Credit 4 units. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 303A Human Biology

How did Elvis, Socrates and Babe Ruth die? How did David Letterman and Dick Cheney survive? In this course we work toward understanding the biology behind human health and disease. We examine cases from the news, literature and history. We work like detectives to understand how and why the characters were affected and healed or died. This course is designed for students who do not plan to major in science, and no prior science background is expected. Prerequisite: sophomore standing or permission of instructor. A student may not receive credit for both Biol 303A and Biol 100A, 2960, 2970, or UCollege B320, B3201, B321, B3211.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 3041 Plant Biology and Genetic Engineering

A 4-credit lecture course that provides an introduction to plant development, genetics, physiology and biochemistry with emphasis on processes that can be manipulated or better understood through genetic engineering. The course is divided into three sections. The first section of the course discusses basic plant biology, development and genetics. The second part emphasizes gene structure, expression and cloning as well as methods for introducing foreign DNA into plant cells and regenerating fertile plants in tissue culture. During the third part of the course we discuss a variety of examples of genetically engineered traits, including: herbicide resistance; fruit ripening; pathogen and/or insect resistance; and the use of plants for production of industrial and pharmaceutical compounds. Friday discussion sections focus on critical reading of the primary literature related to the material covered in lecture. Prerequisites: Biol 2960 and Biol 2970.

Credit 4 units. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 3058 Physiological Control Systems

Systems physiology with emphasis on human physiology. Prerequisites: Biol 2960 and Chem 112A.

Credit 2 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 307A Human Variation

A survey of human biological diversity, considering its adaptive and taxonomic significance from the perspective of origins and distribution of traits and adaptation. Prerequisite: Anthro 150A or introductory biology.
Same as Anthro 307A

Credit 3 units. A&S: NS, SD, QA A&S IQ: NSM, AN, SD Art: NSM BU: SCI


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L41 Biol 3100 R Workshop in Biology

Biologists in all areas increasingly find that they have the need and opportunity to work with large data sets. The goal of this 1-credit course is to provide students with an opportunity to gain skills in data analysis and presentation using R, a free software environment for statistical computing and graphics (http://www.r-project.org). Topics include an introduction to basic programming in R, data types and manipulation, graphics, hypothesis testing and statistics, and applications to various fields of biology ranging from ecology to genomics. The course consists of ten 2-hour workshops that include a brief introduction to key concepts in R and applications in biology, followed by interactive, hands-on tutorials. Prerequisites: concurrent or prior course in statistics (Math 2200 or Math 3200 recommended) or permission of instructor.

Credit 1 unit. A&S: NS


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L41 Biol 3110 Vertebrate Structure Laboratory

A lecture/laboratory course designed to provide an integrative framework for how vertebrate form and function evolved. Weekly lectures emphasize development and the relationship between the structural and functional design of organ systems, the importance of these relationships in maintaining homeostasis while providing opportunity for adaptation, and examples of how vertebrate organ systems communicate to accomplish functional and physiological integration. 1.5 hour lecture and 5 hours lab each week. Prerequisite: Biol 2970.

Credit 4 units. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 3151 Endocrinology

An overview of mammalian endocrine systems with an emphasis on human physiology and development. The interplay between systemic, local cell and tissue interactions as well as the cell and molecular events associated with hormone action are discussed. Examples of endocrine evolution and pathological conditions related to endocrine imbalances also are included. Prerequisite: Biol 2970.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 328 Principles in Human Physiology

This course is designed to provide students with an understanding of the function, regulation and integration of the major organ systems of the body. Course content includes neural and hormonal homeostatic mechanisms, and study of the circulatory, respiratory, digestive, urinary, musculoskeletal, nervous, endocrine, immune and reproductive organ systems. Mechanisms of exercise physiology are integrated throughout the course. Prerequisite: Biol 3058 or equivalent.

Credit 4 units. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 334 Cell Biology

Eukaryotic cell structure and function viewed from the perspective of modern cell biology. Lectures cover such topics as membrane transport; endocytosis and secretion; intracellular trafficking; hormones and signal transduction; extracellular matrix and tissue formation; cytoskeleton and motility; and cell cycle, apoptosis and the cellular basis of disease. Prerequisite: Biol 2970.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 3371 Eukaryotic Genomes

An advanced exploration of the structure and function of DNA within the eukaryotic nucleus. Lecture and discussion cover topics of chromatin and chromosome structure, control of gene transcription, RNA processing, and DNA replication and repair. The relevance of these topics to the genetic basis of human disease is discussed. Throughout, the experimental data that shape our current understanding are emphasized. Course grades based on exams, problem sets and short papers. Lecture three hours per week plus required discussion section meeting every other week. Prerequisites: Biol 2970, Chem 251 (may be taken concurrently). Offered every other fall in even-numbered years.

Credit 4 units. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 3411 Principles of the Nervous System

The basic anatomical, physiological and chemical organization of the nervous system; how nerve cells communicate with each other, the ionic basis of nerve signals, the function and properties of chemical agents in the nervous system, the development of neural circuitry, and how neurons interact to produce behavior. Prerequisite: Biol 2960, Biol 2970 recommended, Biol 3058 recommended or Psych 3401 and permission of instructor.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 3421 Introduction to Neuroethology

The neural mechanisms of animal behavior from an evolutionary and ecological perspective. Topics include: contributions of model systems to understanding fundamental properties of nervous system structure and function; electrical signals of sensory cells, neurons and muscle; neural processing of sensory input; neural control of behavioral output; anatomy and physiology of sensory and motor systems; learning and memory; evolution of neural circuits. Prerequisite: one of the following courses: Biol 3058, Biol 3411 or Psych 3401.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 3422 Genes, Brains and Behavior

Genetic studies of physiological systems underlying animal behavior, including the genetic basis for normal and abnormal behaviors in animals and humans. Topics include: history of behavioral genetics; the ongoing debate about "nature vs. nurture"; contributions of genetic model systems including the nematode Caenorhabditis elegans, the fruit fly Drosophila melanogaster, zebrafish, the mouse Mus musculus and other animal models; molecular mechanisms underlying the evolution of behavioral phenotypes; the emerging role of epigenetics in regulating nervous-system functions and behavior; the use of genetic and genomic analyses in studies of human behavior and psychiatric disorders. Prerequisite: Biol 2970.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 349 Microbiology

This 4-credit lecture course focuses on the molecular biology of bacteria, archaea and viruses. Topics include: the bacterial cell cycle, gene regulation, stress response, cell-cell communication, viral and bacterial pathogenesis, microbial ecology, and metabolic diversity. Friday tutorials stress analysis of the primary literature with an emphasis on current research related to material covered in lecture. Prerequisites: Biol 2960 and 2970, or permission of instructor.

Credit 4 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 3491 Microbiology Laboratory

After introducing students to the basics of bacterial growth and maintenance, this laboratory class employs genetics, cell biology and genomics to explore various aspects of bacterial physiology, identification, gene structure and mutational analysis of physiological pathways. Prerequisite: Biol 349 required; may be taken concurrently. One-hour lecture and five hours of laboratory per week. Fulfills the upper-level laboratory requirement for the biology major.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 3492 Laboratory Experiments with Eukaryotic Microbes

This research-intensive course provides an introduction to diverse molecular and cell biology techniques used in model experimental organisms to explore fundamental biological questions. Experiments are performed using selected fungi and protozoans commonly used in major research efforts. Emphasis is placed on choosing the appropriate organism for the question posed using the most current technologies. Each semester, one cellular process is studied in detail and original research is carried out. Prerequisites: Biol 2960 and 2970 and permission of instructor — contact early to ensure enrollment. One hour of lecture and six hours of laboratory a week. Fulfills the upper-level laboratory requirement for the biology major. Enrollment limited to 12.

Credit 3 units. A&S: NS, WI A&S IQ: NSM, WI Art: NSM


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L41 Biol 3501 Evolution

A general survey of organic evolution covering both micro and macroevolution. Topics include natural selection, adaptation, evolution of pathogens, formation of species and phylogeny. Prerequisite: Biol 2970.

Credit 4 units. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 360 Biophysics Laboratory

This laboratory course consists of "table-top" experiments in biological physics that are designed to introduce the student to concepts, methods and biological model systems in biophysics. Most experiments combine experimentation with computer simulations. The list of available experiments includes electrophysiology, human bioelectricity, optical tweezers, ultrasonic imaging, mass spectrometer, and viscosity measurements. Prerequisites: prior completion of Physics 117A-118A, Physics 197-198 or permission of instructor.
Same as Physics 360

Credit 3 units. A&S: NS A&S IQ: NSM, AN Art: NSM


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L41 Biol 373 Laboratory on the Evolution of Animal Behavior

This course explores the costs, benefits and constraints that drive the evolution of animal behavior. It is divided into four modules: a brief overview of basic statistics, a lab on agonistic behavior, a lab on animal communication, and a lab on sexual selection by female choice. Laboratory modules are hands-on and student driven. They begin with an overview of relevant literature and a discussion of key questions that have been addressed experimentally in that field. Students are then encouraged to apply these concepts into the design, execution and analysis of a research project aimed at answering a question of their own choosing through the use of house crickets as a study system. A majority of class time is devoted to active learning through the collection and analysis of data (each lab module lasts four weeks). In addition, the course includes weekly presentations by the instructor and class discussions on topics that help place the students' work into the broader context of evolutionary theory. Prerequisites: Biol 2970 and Psych 100B or permission of instructor

Credit 3 units. A&S IQ: NSM


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L41 Biol 374 Drugs, Brain and Behavior

This course reviews information pertaining both to medications used to treat psychiatric disorders and to psychoactive drugs of abuse. By learning principles of pharmacology and mechanisms of action of these agents, students develop an enhanced knowledge of the brain mechanisms underlying abnormal human behavior. Prerequisites: Psych 100B and one of the following: Psych 354 or 3401 or 344.
Same as Psych 374

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 381 Introduction to Ecology

This course explores the science of ecology, including factors that control the distribution and population dynamics of organisms, the structure and function of biological communities, how energy and nutrients flow across ecosystems, and what principles govern ecological responses to global climatic and other environmental changes. The class format includes lectures, discussions and small group exercises. Assignments include quantitative data analysis, ecological modeling and scientific writing.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 387 Undergraduate Teaching

Exceptional undergraduates serve as teaching assistants for laboratory and/or discussion sections in departmental courses. Normally 2 or 3 units are given per semester, subject to the approval of the instructor and the department. Credit may not be counted toward fulfilling the biology major; application form in Department of Biology Student Affairs office. Prerequisite: permission of instructor. Credit/no credit only.

Credit variable, maximum 3 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 4023 How Plants Work: Physiology, Growth and Metabolism

This course introduces students to the fundamentals of how plants grow, metabolize and respond to their environment. Topics covered include the conversion of light energy into chemical energy through photosynthesis and carbon fixation, nitrogen assimilation, water and mineral uptake and transport, source-sink relationships and long-distance transport of carbon and nitrogen, cell growth and expansion, hormone physiology and physiological responses to a changing environment. Prerequisite: Biol 2970 or permission of instructors.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 4025 Current Approaches in Plant and Microbial Research

This course is designed to introduce graduate students and upper-division undergraduates to contemporary approaches and paradigms in plant and microbial biology. The course includes lectures, in-class discussions of primary literature and hands-on exploration of computational genomic and phylogenetic tools. Evaluations include short papers, quizzes, and oral presentations. Over the semester, each student works on conceptualizing and writing a short NIH-format research proposal. Particular emphasis is given to the articulation of specific aims and the design of experiments to test these aims, using the approaches taught in class. Students provide feedback to their classmates on their oral presentations and on their specific aims in a review panel. Fundamentals of Biology II (Biol 2970) or permission of the instructor.

Credit 4 units. A&S: NS A&S IQ: NSM


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L41 Biol 4030 Biological Clocks

Biological clocks are the endogenous oscillators that coordinate physiological and behavioral rhythms in nearly all organisms. This course examines how these rhythms are generated and regulated. The material includes molecular, cellular and systems physiology and the relevance of biological timing to ecology and health in everything from protozoans to plants to people.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 404 Laboratory of Neurophysiology

Neurophysiology is the study of living neurons. Students record electrical activity of cells to learn principles of the nervous system including sensory transduction and coding, intercellular communication and motor control. The course meets for 9 hours each week. Students may leave the lab for up to 2 hours. Prerequisites: Biol 3411 or Psych 4411 and permission of Student Coordinator, Erin Gerrity. Biol 3411 may be taken concurrently.

Credit 4 units. A&S: NS, WI A&S IQ: NSM, WI Art: NSM


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L41 Biol 4071 Developmental Biology

An introduction to the molecular and cell biology and biomechanics of animal development. The course is divided into thirds, which cover (1) an introduction to the major cell-cell signaling systems used during development and their study in model organisms, (2) molecular studies of early vertebrate development, and (3) application of the principles of solid mechanics to understanding events in tissue and organ morphogenesis including gastrulation, cardiac looping and brain folding. Prerequisites: Biol 2970 Principles of Biology II and Math 132 Calculus II.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 4170 Population Ecology

This course examines the ecological factors that cause fluctuation and regulation of natural populations and emphasizes the utility of mathematical models to assess the dynamics of populations. The course includes lecture, discussions and computer labs using the programming language MATLAB. Emphasis is placed on principles as applied to conservation and management. Topics include assessing extinction risk of rare species, invasion dynamics of exotic species, demographic and environmental stochasticity, metapopulation dynamics, structured populations, the role of species interactions, and microevolutionary processes. Prerequisites: Calculus (Math 131 and 132), and at least one of the following: Biol 2970, EnSt 295.

Credit 3 units. A&S: NS, QA A&S IQ: NSM, AN Art: NSM


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L41 Biol 4181 Population Genetics

An introduction to the basic principles of population and ecological genetics. Mechanisms of microevolutionary processes; integrated ecological and genetic approach to study the adaptive nature of the evolutionary process. Prerequisite: Biol 2970.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 4182 Macroevolution

An advanced introduction to the study of macroevolutionary patterns and processes with emphasis on the systematic methodology employed. Topics: theories of classification, phylogenetic reconstruction, testing of historical hypotheses, hierarchy theory, adaptation, extinction, speciation, developmental mechanisms of organismal evolution, biogeography. Prerequisite: permission of instructor.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 4183 Molecular Evolution

A rigorous introduction to the study of evolution at the molecular level. Topics include the origin, amount, distribution and significance of molecular genetic variation within species, and use of molecular data in systematics and in testing macroevolutionary hypotheses. Prerequisite: Biol 2970 or permission of instructor.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 419 Community Ecology

Basic principles of community ecology, including species interactions, spatial and temporal patterns of biodiversity, and ecosystem functioning. Analytical theory, statistical patterns and experimental approaches are emphasized. Intended for students wanting a rigorous overview of ecological principles. Prerequisites: at least one of the following courses: Biol 3501, Biol 372, Biol 381, Biol 4170, Biol 4193, EnSt 370 or permission of instructor.

Credit 4 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 4193 Experimental Ecology Laboratory

Design and interpretation of ecological experiments, with an emphasis on hypothesis testing, sampling methodology and data analyses. Sessions address fundamental ecological questions and include field, greenhouse and laboratory (microcosm) studies on a variety of taxa and ecosystems. Generally work is done before dark (5 to 6 p.m.), although occasionally goes as late as 7 p.m. Includes occasional required Saturday field trips to local sites (e.g., forests, wetlands, prairies, streams) for in-depth study. Assignments are primarily several written assignments, including final projects and in-class participation. Fulfills the upper-level laboratory requirement for the biology major. One hour of lecture and four hours of laboratory per week. Prerequisites: permission of instructor and at least one of the following: Biol 381 Introduction to Ecology, Biol 372 Behavioral Ecology, EnSt 370 Biological Conservation, Biol 4170 Population Ecology, Biol 419 Community Ecology or Biol 3501 Evolution. Credit is not awarded for both Biol 4191 and 4193. Enrollment is limited to 15 students.

Credit 4 units. A&S: NS, WI A&S IQ: NSM, WI Art: NSM


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L41 Biol 4202 Evolutionary Genetics

This course examines the principles of evolutionary genetics as applied to complex characters such as morphology, behavior, life history and disease. Mathematical models of quantitative inheritance and evolution are discussed. Special topics include kin selection, sexual dimorphism and conservation genetics. Prerequisite: Anthro 150A or introductory biology.
Same as Anthro 4202

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 424 Immunology

Basic molecular and cellular aspects of the vertebrate immune system with emphasis upon the interrelationships of nonspecific and specific host defense against disease, the nature of immunological specificity and its underlying molecular biology. Includes complement systems, immunochemistry and immunoassay, systems, the nature of cellular activation and effector generation, immunodeficiency, tolerance, tissue transplantation, hypersensitivity, immune regulation and specific diseases illustrative of the successes and failures of the immune system. Prerequisites: Biol 2970 and Chem 252.

Credit 4 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 4241 Immunology Laboratory

The Immunology Laboratory introduces students to a variety of common, broadly useful immunological techniques and then allow each student to employ most of the learned techniques in addressing a current research question. Experiments employ mouse cells in vitro and emphasize quantitative analysis of the data. Prerequisites: Biol 424 and permission of instructor.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 427 Problem-Based Learning in Biomedical Sciences

Groups of five to eight students are presented with medical case studies that are then researched and discussed under faculty guidance. Students take major responsibility for their own learning within their team. Enrollment limited to 30 students. Prerequisites: Biol 3050 and some experience in molecular biology. A biology or science background is required.

Credit 3 units. A&S: NS, WI A&S IQ: NSM, WI Art: NSM


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L41 Biol 429 Cellular Transformations

Cellular Transformations is a course developed for students interested in using emerging technologies and cross-disciplinary approaches in design production and implementation. This course allows each student to develop abstract thinking and learn modern design and fabrication processes including digital media and 3-D technologies. In this course, students learn the basic principles underlying biological architecture, with a particular emphasis on structures and processes responsible for complex architectures within cells. Students then use biological design principles as inspiration for their individual projects. Through digital modeling and scanning of biological structures, each student develops a transformation process that analyzes the performative aspects of a new emerging design. These designs are modeled through CADCAM (laser cutting) and Rapid Prototyping (3-D Printing) for physical outputs. Prerequisites: Biol 2970 or Biol 334.

Credit 3 units. A&S: NS A&S IQ: NSM


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L41 Biol 4331 Algae: Cell Biology and Molecular Evolution

Algae are ubiquitous and highly diverse photosynthetic organisms: They are prokaryotic (cyanobacteria) and eukaryotic, unicellular and multicellular, and central to soil, fresh water, and marine ecosystems. This course considers their molecular taxonomy and evolution, specific lineage adaptations (e.g., silicon in diatoms), life cycles, cell cycle and cell-division mechanisms, light and nutrient acquisition, storage products, cell and cell-wall organization, ecological habitats and symbioses (e.g., lichens), and commercial applications (e.g., carotene, omega-3 fatty acids and other nutraceuticals; biodiesel). A course for upper-level biology and bioengineering undergraduates and graduate students. Tu/Th 3:30-5:30 until spring break, where a second course, Biol 4830, is highly recommended as a sequel. Assigned readings of research literature pertaining to each lecture topic; final take-home exam covering lecture and reading material. Prerequisite: Biol 334 or Biol 4810 or instructor's permission.

Credit 2 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 4342 Research Explorations in Genomics

A collaborative laboratory investigation of a problem in genomics, involving generation of a large data set (either genomic sequence or microarray analysis of gene expression) and computer analysis of the data. Class meets at the WU Genome Sequencing Center during the first half of the semester and in the Biology Department the second half of the semester. Prerequisites: Biol 297A, Chem 111/112 and Chem 151/152 and permission of the instructor. While Biol 3371 or Biol 437 and some familiarity with computers would be advantageous, this is NOT required. Fulfills the upper-level laboratory requirement for the biology major.

Credit 4 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 434W Research Explorations in Genomics (Writing-Intensive)

Content equivalent to Biol 4342. Students electing the writing option are required to revise each of three papers (on finishing of their fosmid; gene finding in a human/chip comparison; and annotating their fosmid) at least once.

Credit 4 units. A&S: NS, WI A&S IQ: NSM, WI Art: NSM


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L41 Biol 437 Laboratory on DNA Manipulation

This course provides investigation-driven research on experimental manipulation of DNA and RNA molecules. This includes the construction, isolation and analysis of plasmids, RNA, PCR products and DNA sequencing. Molecular cloning (genetic engineering), gene knockouts (mutants), RNA isolation, RT-PCR and microarray projects are performed. Prerequisites: Biol 2960 and Biol 2970. One hour of lecture and eight hours of laboratory each week. This course fulfills the upper-level laboratory requirement for the biology major. Enrollment is limited to 12. A laboratory fee is required for students who are not full-time Washington University undergraduates.

Credit 4 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 451 General Biochemistry

A study of structure-function relationships as applied to carbohydrates, proteins and lipids; intermediary metabolism of principal cellular components; and general aspects of regulation. Prerequisites: Biol 2970 and Chem 252 and permission of department. Recommended for students who have achieved grades of B or better in the prerequisites. Students may not receive credit for both Biol 4801 and Biol 451. Small class.

Credit 4 units. A&S: NS A&S IQ: NSM Art: NSM BU: SCI


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L41 Biol 4520 Protein Function in Model Cellular Systems

The goal of this 3-credit laboratory course is to train students in the scientific method. Throughout this course, they study a protein involved in a cellular process. Students, working in small groups, use bioinformatics to identify this protein in a number of species, then use this information to hypothesize which residues of the protein are important for its function. Over the course of the semester, students test their hypotheses in two model systems for studying cellular function — the unicellular eukaryote Saccharomyces cerevisiae and the multicellular eukaryote Physcomitrella patens. The weekly lecture gives students the background necessary to understand and perform their experiments, including information on a variety of bioinformatics tools, phylogeny, protein structure, molecular techniques, cell biology, and microscopy. In addition, students use primary literature to understand the role their assigned protein plays in their cellular process. Prerequisites: Biol 2960 and Biol 2970.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 4522 Laboratory in Protein Analysis, Proteomics and Protein Structure

In this laboratory course, students learn principles and methods of protein quantitation, protein purification, assessment of purity using SDS-polyacrylamide gel electrophoresis, separation of complex protein mixtures by 2-dimensional gel electrophoresis, definition of units of enzymatic activity, and identification of proteins using antibodies and/or mass spectrometry. The final part of the course introduces students to concepts of structural biology including protein crystallization, X-ray crystallography and computer modeling of protein structures. Fulfills the upper-level laboratory requirement for the biology major. Prerequisites: Chem 252 and either Biol 451 or Biol 4501/Chem 456. Permission of instructor required. Limit: eight students. Eight hours of laboratory/lecture per week.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 4523 Mutagenesis and Enzyme Analysis

Molecular Methods in Enzyme Analysis. Understanding enzyme structure and function is essential in many important drug design projects. This course focuses on common methods used to investigate enzyme active sites to elucidate binding interactions between small molecules and enzymes. Students use 3-D protein viewing software to design and model modifications to an enzyme active site, then perform those modifications using recombinant DNA technology and site-directed mutagenesis. This course also introduces other commonly used methods to assay active-site metals, characterize inhibitors, over-express and purify proteins, and use UV spectroscopy to analyze enzyme activity. This is an investigative course in which students perform collaborative research projects in small groups. Fulfills the upper-level laboratory requirement for the generic biology major and the biochemistry track; intended for students who have no other courses that fulfill these requirements. Prerequisite: Biol 2970. Limit 12.

Credit 4 units. A&S IQ: NSM Arch: NSM


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L41 Biol 472 Behavioral Ecology

This course examines animal behavior from an evolutionary perspective and explores the relationships between animal behavior, ecology and evolution. Topics include mating systems, sexual selection, parental care, kin selection, and cooperation. There is a strong active learning component. Prerequisite: Biol 2970 or permission of instructor.

Credit 4 units. A&S: NS A&S IQ: NSM


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L41 Biol 4810 General Biochemistry I

Topics include the properties and structures of biomolecules, including amino acids, nucleotides, lipids, carbohydrates, proteins and nucleic acids. Additional topics include enzyme kinetics and mechanisms, membrane structure and properties, protein folding, an introduction to metabolism, oxidative phosphorylation and photosynthesis. This course is the first semester of an integrated two-semester sequence. The second course is Chem 482. Prerequisites: Biol 2970, Chem 262.
Same as Chem 481

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 4820 General Biochemistry II

Continuation of General Biochemistry I. Topics include carbohydrate, lipid and amino acid metabolism, signal transduction, transport across membranes, DNA replication and repair, transcription and translation, molecular motors, mechanisms of drug action and natural products biosynthesis. Prerequisite: Chem 481 or Biol 481.

Credit 3 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 4830 Bioenergy

A broad overview of the flow of energy, captured from sunlight during photosynthesis, in biological systems and current approaches to utilize the metabolic potentials of microbes and plants to produce biofuels and other valuable chemical products. An overall emphasis is placed on the use of large-scale genomic, transcriptomic and metabolomic datasets in biochemistry. The topics covered include photosynthesis; central metabolism; structure and degradation of plant lignocellulose; and microbial production of liquid alcohol, biodiesel, hydrogen and other advanced fuels. Course meets during the second half of the spring semester. Prerequisite: Biol 4810 or permission of instructor.

Credit 2 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 4832 Molecular Mechanisms of Photosynthesis and Respiration

Photosynthesis is a biological process whereby the Sun's energy is captured and stored by a series of events that convert the pure energy of light into the free energy needed to power life. Respiration is a biological process that extracts energy in a usable form from high-energy compounds produced by photosynthesis. This course examines these essential biological processes at the molecular level in both bacterial and eukaryotic organisms. Emphasis is on chemiosmotic principles as well as the structure and mechanism of action of the protein complexes that carry out photosynthesis and respiration. Additional topics include the assembly and regulation of these protein complexes and the origin and evolution of these processes. Prerequisite: Chem 482, Biol 4820 or Biol 451 or permission of instructor.

Credit 3 units. A&S: NS A&S IQ: NSM


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L41 Biol 487 Undergraduate Teaching

Exceptional undergraduates serve as teaching assistants for laboratory and/or discussion sections in departmental courses. Normally 2 or 3 units are given per semester, subject to the approval of the instructor and the department. Credit may not be counted toward fulfilling the biology major; application form in Department of Biology Student Affairs office. Prerequisite: permission of instructor. Credit/no credit only.

Credit variable, maximum 3 units. A&S: NS Art: NSM


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L41 Biol 493 Seminar in Advanced Biology

In special cases, credit may be given for individual study. Topics of study and credit must be arranged with a faculty sponsor and approved by the department.

Credit variable, maximum 4 units. A&S: NS A&S IQ: NSM Art: NSM


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L41 Biol 4933 Molecular Biology on the Cutting Edge

Recent biomedical discoveries have been greatly advanced through the development of innovative, state-of-the-art techniques. For example, Nuclear Magnetic Resonance (NMR) has proved to be an invaluable tool in both efforts to determine the atomic structure of proteins and small molecules, as well as in clinical settings, as MRI to identify tumors that would otherwise go unnoticed. This course introduces students to a variety of cutting-edge laboratory techniques, and discusses the impact of these techniques on biology and medicine. Students have the unique opportunity to learn from graduate students employing these approaches in their doctoral studies. Topics to be covered include: high-throughput sequencing of genetic disorders, x-ray crystallography, and single molecule force spectroscopy by AFM. Weekly classes consist of a 30-45 minute presentation on a particular technique, followed by a 60-minute discussion of the assigned readings. Prerequisites: Biol 2960 and 2970 and at least one semester of Biol 500 or equivalent research experience approved by the course master.

Credit 2 units. A&S: NS A&S IQ: NSM


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L41 Biol 4934 Neuroscience Futures 2

Students in this course engage with the neuroscience community both at WUSTL and beyond by attending, summarizing and discussing neuroscience seminars on campus throughout the semester. Specifically, students are expected to attend three neuroscience seminars over the course of the semester and submit summaries of each seminar. Students meet twice during the semester, in week 5 and week 11, for guided discussion of the science in the seminars they attended. Additionally, students in this seminar attend two combined classes with Neuroscience Futures 1 during the first and last weeks of the semester. In both meetings, students have an opportunity to give brief presentations on their own research. The last class combines short student presentations with a keynote address from an invited speaker from within or outside the WUSTL neuroscience community.

Credit 1 unit.


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L41 Biol 4935 Undergraduate Research Perspectives

The purpose of this course is for undergraduates to acquire a broad perspective on their hands-on research. What are your big questions? How will you communicate your discoveries? How do your results fit with what has gone before? Each semester has a focus, which might be science communication, statistics or critical reading, for example. Required activities may include weekly writing, participation in the undergraduate poster session, research, presentations and attendance. Enrollment is by permission only from Joan Strassmann. This course is required for undergraduates conducting research in the Queller/Strassmann laboratories and is open to other students involved in research. 1–3 units. Joan Strassmann, David Queller, and selected postdoctoral fellows.

Credit variable, maximum 3 units. A&S: NS


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L41 Biol 500 Independent Work
Students work under the supervision of a mentor in a setting of established ongoing research. Prerequisites: junior or senior standing and permission of sponsor and the department. Credit/No Credit only. Credit to be determined in each case, usually 3 units/semester. Maximum of 6 units may be applied toward upper-level credits required for the major. If work is to be submitted for Honors, see section on senior Honors in the Handbook for Biology Majors. Registration is best completed prior to the semester for which credit is sought. Students expecting to achieve honors in Biology must complete 6 units of Biol 500 and often begin in the spring of the junior year. This is especially important for those planning fieldwork. For detailed information on the Biology department's expectations and guidance in finding a mentor, please consult the Biol 200/500 Home Page. For online enrollment instructions visit: http://nslc.wustl.edu/courses/Bio500/bio500.html. Credit to be determined in each case. Students will be registered by the department after approval is granted.
Credit variable, maximum 6 units.


Chair

Kathryn G. Miller
PhD, Johns Hopkins University

Endowed Professors

Robert E. Blankenship
Lucille P. Markey Distinguished Professor in Arts & Sciences
PhD, University of California, Berkeley

Sarah C.R. Elgin
Viktor Hamburger Professor in Arts & Sciences
PhD, California Institute of Technology

Himadri B. Pakrasi
George William and Irene Koechig Freiberg Professor of Biology
PhD, University of Missouri–Columbia

Ralph S. Quatrano
Spencer T. Olin Professor of Biology
PhD, Yale University

David C. Queller
Spencer T. Olin Professor of Biology
PhD, University of Michigan

Barbara A. Schaal
Mary-Dell Chilton Distinguished Professor in Arts & Sciences
PhD, Yale University

Joan E. Strassmann
Charles Rebstock Professor of Biology
PhD, University of Texas at Austin

Richard D. Vierstra
George and Charmaine Mallinckrodt Professor
PhD, Michigan State University

Peter Wyse Jackson
Engelmann Professor of Botany
PhD, Trinity College Dublin

Professors

Ian Duncan
PhD, University of Washington

Ursula W. Goodenough
PhD, Harvard University

Erik D. Herzog
PhD, Syracuse University

Joseph Jez
PhD, University of Pennsylvania

Robert G. Kranz
PhD, University of Illinois

Barbara Kunkel
PhD, Harvard University

Allan Larson
PhD, University of California, Berkeley

Petra A. Levin
PhD, Harvard University

Philip A. Osdoby
PhD, Case Western Reserve University

Paul S. G. Stein
PhD, Stanford University

Associate Professors

Yehuda Ben-Shahar
PhD, University of Illinois

Bruce A. Carlson
PhD, Cornell University

Douglas L. Chalker
PhD, University of California, Irvine

Ram Dixit
PhD, Cornell University

Elizabeth S. Haswell
PhD, University of California, San Francisco

Tiffany Knight
PhD, University of Pittsburgh

Kenneth M. Olsen
PhD, Washington University

Assistant Professors

Joshua Blodgett
PhD, University of Illinois

Arpita Bose
PhD, University of Illinois

Carlos A. Botero
PhD, Cornell University

Scott A. Mangan
PhD, Indiana University

Jonathan A. Myers
PhD, Louisiana State University

Lucia C. Strader
PhD, Washington State University

Hani Zaher
PhD, Simon Fraser University

Joint Professors

Regina Frey
PhD, University of Utah
(Chemistry)

Gayle J. Fritz
PhD, University of North Carolina at Chapel Hill
(Anthropology)

Professors Emeriti

Garland E. Allen
PhD, Harvard University

Tuan-hua David Ho
PhD, Michigan State University

George B. Johnson
PhD, Stanford University

David L. Kirk
PhD, University of Wisconsin

Daniel H. Kohl
PhD, Washington University

Walter H. Lewis
PhD, University of Virginia

Barbara Pickard
PhD, Harvard University

Peter H. Raven
PhD, University of California, Los Angeles

Owen J. Sexton
PhD, University of Michigan

Nobuo Suga
PhD, Tokyo Metropolitan University

Alan R. Templeton
PhD, University of Michigan

Robert E. Thach
PhD, Harvard University