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16 the correct order of enzymes of $-oxidation is 1

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Unformatted text preview: 16. The correct order of enzymes of $-oxidation is: 1. hydroxyacyl-SCoA dehydrogenase. 2. thiolase. 3. enoyl-SCoA hydratase. 4. acyl-CoA dehydrogenase. a. 1,2,3,4. b. 4,1,3,2. c. 4,3,1,2. d. 1,4,3,2. e. 4,2,3,1. 17. Activation of fatty acid in the cytoplasm for $-oxidation requires energy which is equivalent to: a. 1 ATP. b. 2 ATPs. c. 3 ATPs. d. 4 ATPs. e. 1 NADH. 18. Ketone bodies are formed in the liver and transported to extra-hepatic tissues as: a. acetoacetyl-SCoA. b. acetone. c. $-hydroxybutyric acid. d. lactic acid. e. $-hydroxybutyryl-SCoA. 19. Lipoprotein lipase acts in: a. hydrolysis of triacylglycerols of plasma lipoproteins to supply fatty acids to various tissues. b. intestinal uptake of dietary fat. c. intracellular lipid breakdown of lipoproteins. d. lipoprotein breakdown to supply needed amino acids. e. none of the above. 20. Free fatty acids in the bloodstream are: a. bound to hemoglobin. b. carried by the protein serum albumin. c. freely soluble in the aqueous phase of the blood. d. nonexistent; the blood does not contain free fatty acids. e. present at levels that are independent of epinephrine. 21. Transport of fatty acids from the cytoplasm to the mitochondrial matrix requires: a. ATP, carnitine, and coenzyme A. b. ATP, carnitine, and pyruvate dehydrogenase. c. ATP, coenzyme A, and hexokinase. d. ATP, coenzyme A, and pyruvate dehydrogenase. e. carnitine, coenzyme A, and hexokinase. 22. Which compound below is an intermediate of $ oxidation: 3 2 20 3 2 2 3 3 2 2 a. CH -(CH )-CO-COOH. b. CH -CH -CO-CH -COOPO . c. CH -CH -CO-CH OH = 3 2 3 2 2 d. CH -CH -CO-CO-S-CoA e. CH -CH -CO-CH -CO-S-CoA. 23. Which of the following is a zymogen that can be converted to an endopeptidase that hydrolyzes peptide bonds adjacent to Lys and Arg residues? a. Chymotrypsinogen. b. Pepsin. c. Pepsinogen. d. Trypsin. e. Trypsinogen. 24. Which of these directly donates a nitrogen atom for the formation of urea during the urea cycle?...
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16 The correct order of enzymes of $-oxidation is 1...

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