Exam3 extraQ - Multiple Choice 1 a b c d e 2 a b c d e 3 a...

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Multiple Choice 1. The role of oxygen in our cells is to a. catalyze reactions in glycolysis. b. produce CO2 c. form ATP. d. accept electrons from the electron transport chain. e. react with glucose to split water. 2. Which statement about pyruvate is not true? a. It is the end product of glycolysis. b. It becomes reduced during fermentation. c. It is a precursor of acetyl CoA. d. It is the end product of photosynthesis. e. It contains 3 carbon atoms. 3. In noncyclic electron flow, water is used to a. excite chlorophyll. b. hydrolyze ATP. c. reduce chlorophyll. d. oxidize NADPH. e. synthesize chlorophyll. 4. Cytosine makes up 38% of the nucleotides in a sample of DNA from an organism. Approximately, what percentage of the nucleotides in this sample will be thymine? A) 12 B) 24 C) 31 D) 38 E) It cannot be determined from the information provided. 5. What kind of chemical bond is found between paired bases of the DNA double helix? A) hydrogen B) ionic C) covalent D) sulfhydryl E) phosphate Answer: A 6. RNA polymerase and DNA polymerase differ in that a. RNA polymerase uses RNA as a template, and DNA polymerase uses a DNA template. b.
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This note was uploaded on 05/01/2008 for the course BIO 311C taught by Professor Satasivian during the Fall '08 term at University of Texas.

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Exam3 extraQ - Multiple Choice 1 a b c d e 2 a b c d e 3 a...

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