Spring 09 Exam 2 essays - 1. Draw a diagram of an action...

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1. Draw a diagram of an action potential. Label all the parts of the graph and indicate what is happening (and why) at each important part of the graph. 2. How does an auditory hair cell (or other mechanoreceptor) work? Draw an accurate diagram and explain the functions of the different parts. 3. What are the similarities and differences between steroid and peptide hormones? Give examples. Discuss how these differences relate to the functions of these two classes of hormones. 4. Define organizational and activational effects of hormones. Explain how experiments on bird embryos illustrate the role of estrogen in producing male typical behavior in both ways. 5. Based on the article by Getz & Carter, explain how environmental factors can have an influence the formation of communal groups in prairie voles. What are the advantages of group living for prairie voles? What are the explanations proposed by the authors to explain the evolution of monogamy in this group? 6.
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This note was uploaded on 02/17/2010 for the course BIO 359K taught by Professor Mcclelland during the Spring '08 term at University of Texas at Austin.

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Spring 09 Exam 2 essays - 1. Draw a diagram of an action...

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