BIO 101 – EXAM II practice

BIO 101 – EXAM II practice - BIO 101 EXAM...

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BIO 101 – EXAM II Name:________________________ Fall 2007 – Prof. Kirkton GOOD LUCK! Think Happy Plant Thoughts! Part I. Multiple Choice: Choose the best answer for each of the following questions. (20 questions @ 3 points each). 1. What would happen if a drug blocked the entry of pyruvate into mitochondria of a mouse? a. ATP would only be produced in the cytosol. b. ATP would only be produced in the mitochondrial matrix. c. Eventually, mouse lactate levels would increase. d. CO 2 production would increase. e. Both “a” and “c”. 2. Which of the following would INCREASE the rate of production of Acetyl CoA? 3. Assume that today is your 18 th birthday. You celebrate with a big piece of glucose (birthday cake). What is TRUE about the processing of glucose during cellular respiration? 4. If you examined a C4 plant during a hot, dry day, what might you expect to find? 1
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5. While walking across campus, you notice an interesting plant. Immediately, you rip a leaf off, create a cross-section slide of it and look at it under a microscope (Bio 101 fostered an unhealthy love of plants, so you always carry slides and a microscope with you). When you look at the leaf cross-section, you notice that the plant has a thick palisade mesophyll with lots of chloroplasts. What might you conclude about the plant? a. It is a shade adapted plant. b. It utilizes a lot of CO 2 c. It is a plant adapted for lots of sunlight. d. It is adapted to float on the surface of water. e. Both “b” and “c”. 6. Why are plants exceptional models for genetic manipulations? a. They have meristematic tissue. b. They are sessile. c. They utilize the Calvin Cycle. d. They translocate sucrose. e. They are not iron limited.
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