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Unformatted text preview: Multiple-Choice, 2 points each, 30 points total For each of the following questions, select the BEST response and fill in the corresponding bubble on your answer sheet. 1. Consider the following steps in oxidation of a fatty acid: 1. Introduction of a double bond 2. Oxidation of OH group to a keto group 3. Formation of CoA derivative 4 Thiolytic cleavage 5. Acylation of carnitine Which of the following gives the correct sequence of events? . A. 1-2-3-4-5 B. 5-3-2-4-1 C. 4-5-3-1-2 D. 3-1-2-4-5 E. 3-5-1-2-4 2. When palmitic acid (16:0) is completely oxidized to carbon dioxide and water a NET of how many ATPs is formed? A. 104.5 B. 106 C. 110 D. 118.5 E. 120 3. Which of the following compounds is produced by the oxidation of C-odd, but not C-even fatty acids? A. Malonyl CoA B. Acetyl CoA C. Succinyl CoA D. -hydroxy- -methyl butyryl CoA E. Acetoacetyl CoA 1 4. Which of the following is considered a ketone body? A. -ketoglutarate B. Hydroxymethylglutaryl CoA C. -hydroxybutyrate D. Pyruvate E. -ketoglutarate 5. A derivative of which vitamin is required for the conversion of acetyl CoA to malonyl CoA? A. Thiamine B. Riboflavin C. Folic acid D. Biotin E. Pyridoxine 6. Which of the following is NOT a substrate for the formation of carbamoyl phosphate in the cytoplasm? A. Ammonia B. Carbon dioxide C. ATP D. Glutamine 7. Which of the following is NOT involved in the methionine cycle in animal cells?...
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- Spring '07