Chapter 17 Testbank - Chapter 17 Fatty Acid Catabolism...

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Chapter 17 Fatty Acid Catabolism Multiple Choice Questions 1. Digestion, mobilization, and transport of fats Pages: 648-649 Difficulty: 2 Ans: A 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. 2. Digestion, mobilization, and transport of fats Pages: 649-650 Difficulty: 2 Ans: B 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. 3. Digestion, mobilization, and transport of fats Pages: 649-650 Difficulty: 2 Ans: C The role of hormone-sensitive triacylglycerol lipase is to: A) hydrolyze lipids stored in the liver. B) hydrolyze membrane phospholipids in hormone-producing cells. C) hydrolyze triacylglycerols stored in adipose tissue. D) synthesize lipids in adipose tissue. E) synthesize triacylglycerols in the liver. 4. Digestion, mobilization, and transport of fats Page: 650 Difficulty: 2 Ans: C The glycerol produced from the hydrolysis of triacylglycerides enters glycolysis as: A) glucose. B) glucose-6-phosphate. C) dihydroxyacetone phosphate. D) pyruvate. E) glyceryl CoA.
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Chapter 17 Fatty Acid Catabolism 5. Digestion, mobilization, and transport of fats Pages: 650-652 Difficulty: 1 Ans: A 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. 6. Digestion, mobilization, and transport of fats Page: 652 Difficulty: 2 Ans: A Fatty acids are activated to acyl-CoAs and the acyl group is further transferred to carnitine because: A) acyl-carnitines readily cross the mitochondrial inner membrane, but acyl-CoAs do not. B) acyl-CoAs easily cross the mitochondrial membrane, but the fatty acids themselves will not. C) carnitine is required to oxidize NAD + to NADH. D) fatty acids cannot be oxidized by FAD unless they are in the acyl-carnitine form. E) None of the above is true. 7. Digestion, mobilization, and transport of fats Pages: 651-652 Difficulty: 2 Ans: C Carnitine is: A) a 15-carbon fatty acid. B) an essential cofactor for the citric acid cycle. C) essential for intracellular transport of fatty acids. D) one of the amino acids commonly found in protein. E) present only in carnivorous animals. 8.
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Chapter 17 Testbank - Chapter 17 Fatty Acid Catabolism...

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