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Practice Exam 2

Practice Exam 2 - Practice exam 2 1. A.theirlength B. C....

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Practice exam 2 The following questions were worth 3 points each. 1. How do the two members of a pair of homologous chromosomes differ from each other? A. their length B. the identity and relative position of the genes present on each of the chromosomes C. their staining patterns D. the position of the centromere within each of the chromosomes E. the precise sequence of the DNA within each of the chromosomes 2. Increasing the substrate concentration in an enzymatic reaction could overcome which of the following? 3. Suppose the interior of the thylakoids of isolated chloroplasts was made acidic and then transferred in the dark to a solution at pH 8. What would be likely to happen? 5. Caffeine is an inhibitor of phosphodiesterase. When you consume a cup of coffee, which of the following effects are most likely to occur in your cells? 6. An increase in the level of cellular ATP is likely to occur under which of the following conditions? A. increased activity of catabolic pathways B. decreased activity of anabolic pathways C. allosteric inhibition of anabolic pathways D. A and B only E. A, B, and C 1
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7. G proteins and G-protein-linked receptors 8. When electrons move closer to a more electronegative atom, what happens?
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