Test 2 - 1 If all the energy released by breaking down one mole of glucose is used to raise body temperature of a person weighing 68 kg(about 150

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1. If all the energy released by breaking down one mole of glucose is used to raise body temperature of a person weighing 68 kg (about 150 lb), what would be the resulting temperature increase? A. 1 o C. B. 2 o C. C. 5 o C. D. 10 o C. E. 0.5 o C. 2. Which of the following is the best analogy to the metabolic pathways in cells? A Ferris wheel that turns continuously, stopping only to load and unload riders. B. The organized street system of a large city where cars travel specific roads and visit gas stations for fuel. C. A locomotive racing up a mountain while pulling box cars. D. Ripples on the surface of a lake when a rock is tossed into the water. E. A turbine tuned by the continuous flow of water. 3. Which of the following statements about NAD + is false ? A. NAD + is reduced to NADH during both glycolysis and the citric acid cycle. B. NAD + has more chemical energy than NADH. C. NAD + is reduced by the action of dehydrogenases. D. NAD + can receive electrons for use in oxidative phosphorylation. E. In the absence of NAD + , glycolysis cannot function. 4. Which of the following is not an example of cells doing work? A. Red blood cells swollen in water. B. Paramecium moving. C. Amoeba taking in food. D. Cells dividing. E. Active transport of molecules across cell membrane. 5. During respiration, cells convert only about 40% of the energy in glucose to synthesizing ATP. The inefficiency of conversion is an illustration of ____________. A. decreasing entropy. B. chemical equilibrium. C. the first law of thermodynamics. D. the second law of thermodynamics. E. endergonic reactions. 6. Which of the following best explains the fact that about 100 kg of ATP is generated per day in a human body? A. The operation of ATP cycle. B. Cellular work requires large quantities of ATP. C. Operation of cellular respiration. D. Humans consume large quantities of food. E. Human need to maintain body temperature. 1
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7. The substrate-product pair of the glycolysis is A. pyruvate - water. B. glucose – carbon dioxide. C. glucose - pyruvate. D. acetyl-CoA – carbon dioxide. E. pyruvate – carbon dioxide. 8. The chemical energy in high energy electrons generated in glycolysis and citric acid cycle is used to build up high concentrations of protons in _______. A. Endoplasmic reticulum. B. Intermembrane space of mitochondria. C. Matrix of mitochondria. D. Inner membrane of mitochondria. E. Outermembrane of mitochondria. 9. Which of the following is true of the process of substrate level phosphorylation? A. It takes place in the cytosol. B. It takes place in the matrix of mitochondria. C. It requires the hydrolysis of ATP. D. It requires NADH and FADH 2. E. Only A and B are correct. 10.
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This note was uploaded on 05/09/2008 for the course BIO 2:10 taught by Professor Denburg during the Spring '08 term at University of Iowa.

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Test 2 - 1 If all the energy released by breaking down one mole of glucose is used to raise body temperature of a person weighing 68 kg(about 150

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