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B265 Test1 Spring 2008 - OM 1.C D41 PR EME D41 1.C OM...

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Biology 265 Spring 2008 First Test Form 1 1. The respiratory quotient is defined as a. carbon dioxide produced divided by oxygen consumed b. oxygen consumed divided by carbon dioxide produced c. the rate of heat liberated to calories contained d. the rate of oxygen consumed to heat liberated 2. Specific dynamic action refers to a. the rate of heat produced by resting metabolism b. the increase in oxygen consumption that occurs after eating c. the change in metabolic rate from resting to active exercise d. the ratio of the metabolic rate in a large organism vs a small organism 3. Which ion assists in the absorption of sugars by the small intestine ? Match a. Gall bladder b. stomach c. pancreas d. small intestine e. liver 4. Releases billirubin to the general digestive tract--a 5. Releases bicarbonate--c 6. Releases salts for emulsification--a 7. Absorbs alcohol and aspirin --b 8. Secretes gastrin--b 9. Secretes cholycystokinin (CCK) --d 10. Which class of foods is partially digested in the stomach ? a. fats b. carbohydrates c. proteins 11. Which class of foods is transported from the intestine directly into the lymphatic fluid 12. What does the Km tell us about an enzyme ? PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.CO M
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13. The average kinetic energy of a population of molecules increases 2-3% for every 10oC . How does this change the energy of activation needed by these molecules for a reaction ? a. there is no change in the energy of activation b. the energy of activation must be 2-3% greater c. the energy of activation must be 2-3% less d. the energy of activation doubles
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