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B265FT1S05 - 1 9:14 AM Biology 265 Spring 2005 First Test...

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Biology 265 Spring 2005 First Test Form 0 1. In muscle oxygen is limiting the end product of metabolism is , when b. alcohol c. d. water a. lactate pyruvate 2. brown adipose tissue In a. the H+ gradient in the inner mitochondria is increased b. more ATP is generated per mole of glucose metabolized c. provides and ion channel in the inner membrane for H+ movement thermogenin d. all of the above 3. Large animals consume more oxygen per gram animal than small animals do. a. true b. false 4 .An with a temperature of approximately 300 will radiate animal K o 5. Which ion assists in the absorption of sugars by the small intestine ? 6. Which class of foods is partially digested in the stomach ? 7. Which class of foods is transported from the intestine directly into the lymphatic fluid a. amino acids b. sugars c. fats d. sugars and fats e. amino acids and fats 8. What is the pH of the small intestine ? c.7.5 9. What does the Km tell us about an enzyme ? .The 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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