31. Which of the following is NOT related to the fatigue that may be caused due

Question

31. Which of the following is NOT related to the fatigue that may be caused due to the accumulation of lactic acid? a. Inhibition of PFK b. Inhibition Phosphorylase c. Depression of FFA mobilization d. Inhibition of hormone sensitive lipase Simulation of gluconeogenesis in liver T/F 32. Exercise is not a powerful challenge to the homeostasis it is a natural phenomenon 33. Both, aerobic and anaerobic energy transformation reactions are catalyzed by enzymes 34. Modulators may only enhance (not inhibit) the catalytic activity of enzymes 35. Glycogenolysis may be either aerobic or anaerobic 36. Net ATP resynthesis during aerobic glycolysis is 10 times higher than during anaerobic glycolysis 37. High concentration of lactic acid enhances the activity of PFK 38. PFK is one of the key enzymes regulating the rate of anaerobic glycogenolysis 39. The ultimate end products of anaerobic glycogenolysis and glycolysis are the same: Accetly- CoA 40. Cross-country runners are known for their capacity of ATP- CP system 41. NAD and FAD have similar function 42. Muscles have several times larger energy storage as CP than as ATP 43. Resynthesis of ATP from ADP and Pi is an exergonic reaction 44. Glucose, glycogen, and fat are substrates 45. During the breakdown of glucose, 2 Mols of pyruvate are formed; while during the breakdown of glycogen 3 Mols of Pyruvate are formed 46. More ATP will be resynthesized during the anaerobic oxidation of 1 Mol of fat than 1 Mol f glucose 17. In terms of oxygen utilization lipolysis is less efficient than Glycogenolysis 48. Proteins play an important role in the maintenance of blood glucose homeostasis during prolonged exercises T 49. Fats can never be directly converted to glucose even during hypoglycemia 50. The site of aerobic energy transformation in muscle is the sarcoplasm Short answers (1 to 4 brief sentences) Define "Q10 Effect": (2 points) Explain the underlying mechanism of the phrase "fats burn in carbohydrate flames" and in which organ it takes place? (4 points)

Explanation / Answer

31.inhibition of harmone sensitive lipase is not related to the fatigue that may be caused of accumulation of lactic acid. 41. both nad and fad have similar function(true) both electron carrier. 42.muscle have several times larger energy storage as creatine phospate as it can rapidly convert into creatine kinase and ATP than as ATP. 43.Resynthesis of ATP and pi is an endergonic(because it needs energy to bind ADP and pi) but not exergonic. 44.glucose , glycogen , and fat are sustrates(fuel source to make energy).

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