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6. Which of the following is the most appropriate method to assess energy use in

ID: 264474 • Letter: 6

Question

6. Which of the following is the most appropriate method to assess energy use in free-ranging animals? a) b) c) d) e) Doubly-labeled water method. Place the animal on a treadmill and measure O2 use Place the flying animal in a wind tunnel and measure O2 use. Place the swimming animal in a water flume and measure Co2 production. Place the animal in an ice jacket and measure melting rate 7. A nonessential amino acid is an amino acid that a) is stored for future use in building proteins. b) can be synthesized by the animal. c) is deaminated and used in other biochemical pathways d) can be used to synthesize essential amino acids. e) does not contain an amino group. 8. The fat stored in animals prior to hibernation is primarily in the form of a) free fatty acids. b) glycerol. c) triacylglycerols d) myelin. e) phospholipids. 9. An animal adapted to prolonged fasting bouts will a) extend the time spent in Stage 1 fasting b) never enter Stage 3 fasting c) spare lipid use in Stage 3 fasting d) rapidly catabolize glycogen e) effectively spare protein during Stage 2 fasting 10. The specific role of oxygen in the cell is to a) power glycolysis. b) enhance the production of NADH in glycolysis. c) promote oxidation of FADH2 d) act as an energy source for ATP production. e) act as a final electron acceptor 11. The inactive forms of digestive enzymes are called a) endopeptidases. b) inactivases c) zymogens d) bile salts e) lipases.

Explanation / Answer

6. Which of the following is the most appropriate method to assess energy use in