x3-spr07 - Multiple-Choice, 3 points each, 45 points total...

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Multiple-Choice, 3 points each, 45 points total For each of the following questions, encircle the letter corresponding to the BEST response. 1. Consider the following steps in β oxidation of a fatty acid 1. introduction of a double bond 2. oxidation of β –OH group to a β keto group 3. formation of CoA derivative 4 thiolytic cleavage 5. acylation of carnitine Which of the following gives the correct sequnce 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 oleic acid (18:1) is completely oxidized to carbon dioxide and water a NET of how many ATP's 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. methylmalonyl CoA D. β -hydroxy- β -methyl butyryl CoA E. acetoacetyl CoA 4. Which of the following is a ketone body? A. myristoyl CoA B. hydroxymethylglutaryl CoA C. β -hydroxybutyrate D. pyruvate E. α -ketoglutarate 1
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5. A derivative of which vitamin is required for the conversion of pyruvate to oxaloacetate? A. thiamine B. riboflavin C. niacin D. biotin E. pyridoxine 6. Which of the following is NOT a substrate for the formation of carbamoyl phosphate in the mitochondrion? A.
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x3-spr07 - Multiple-Choice, 3 points each, 45 points total...

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