ex1_2006 - Name: _ Student ID:_ Page 1 Zoology 470 - Exam...

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Name: ______________________________________ Student ID:________________________ Page 1 Zoology 470 - Exam #1 – 2006 This exam has 5 pages and a total of 50 points. You will have 90 minutes to complete it. Answer all short answer questions as briefly as possible. Make sure your name and ID number are on all pages. You will receive 1 point for doing so. 1. Provide concise definitions for each of the following ( 6 points ) a. RESACT: b. Sertoli cell: c. acrosomal vesicle: d. conditional specification: e. azoospermia: f. morphogenesis: 2. Reproduction in humans is regulated by hormones. A major pharmaceutical company has used this fact to develop commercial products. a. One way to produce "superovulation" (i.e., production of more than one oocyte at a time) for in vitro fertilization uses an estrogen-blocking drug called Clomiphene. Based on your knowledge of hormonal signaling during ovulation, why would this promote ovulation? ( 2 points ) b. One product on the market is targeted towards women having difficulty becoming pregnant. It detects pituitary hormones in urine that correlate with the ovulatory cycle. What hormones should this kit test for? ( 1 point )
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Name: ______________________________________ Student ID:________________________ Page 2 2. (cont) c. A third product produced by this company is a home pregnancy test that tests for successful conception (i.e., fertilization) within 7 days of the event. What hormone does this product test for? ( 1 point ) d. RU486 interferes with the normal function of progesterone during early pregnancy. What tissue is the most important target of progesterone that is affected by the drug? ( 1 point ) e. What tissue(s) or cells normally produce progesterone? ( 1 point ) 3. Circle true (T) or false (F) for each of the following ( 7 points ) T F Targeted gene insertion by homologous recombination is a technique that is specific to mouse ES cells, and not generally applicable to other mammals such as humans T F Like European Union countries, the United States recently passed legislation outlawing human cloning T F Integrins are important in embryos because they allow attachment of migrating cells to the extracellular matrix T F Unlike mammalian sperm, sea urchin sperm produce a long acrosomal process
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This note was uploaded on 04/07/2009 for the course ZOO 470 taught by Professor Hardin during the Spring '08 term at Wisconsin.

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ex1_2006 - Name: _ Student ID:_ Page 1 Zoology 470 - Exam...

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