020509homework

020509homework - Homework due 2/5/09 Name _ 1. What...

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Homework due 2/5/09 Name ___________________________________ 1. What evidence suggests that sleep may be a way of repairing oxidative damage due to high levels of metabolism? 2. One theory is that animals sleep to conserve energy when we aren’t doing anything important and to keep them inactive at times of day for which they are ill suited. What evidence supports it? What evidence doesn't support it (from the book)? 3. Describe two other global theories of sleep (involving both D and S-Sleep) of why sleep might be a beneficial behavior. 4. Why do we think that S-Sleep may serve a function? Describe the specific functions that S-sleep might serve. 5. Why do we think that D-sleep serves some function? What factor best predicts whether a particular species of mammal will show high levels of D-sleep. What other functions have been proposed for D-sleep? 6. What do we REALLY know about the functions of sleep?
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7. How is light falling on the retina transduced and that information transmitted to
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020509homework - Homework due 2/5/09 Name _ 1. What...

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