28. Which of the following statements about metabolic pathways is false? 2 point

Question

28. Which of the following statements about metabolic pathways is false? 2 points) a. The rate of the pathway can be altered by activating or inhibiting some key en within the pathway. b. Metabolic pathways are a series of enzyme-catalyzed reactions. c. Almost all metabolic pathways are anabolic. d. Metabolic pathways are similar in all organisms. e. Many metabolic pathways are compartmentalized in eukaryotes. 29. The end result of glycolysis includes the (2 points) a. creation of 38 molecules of ATP. b. reduction of eight molecules of NAD to NADH. c. formation of two molecules of pyruvate. d. conversion of one molecule of glucose to lactic acid. e. None of the above 30. In the first reaction of glycolysis, glucose receives a phosphate group from ATP. Th reaction is (2 points) a. respiration. b. exergonic. c. endergonic. d. fermentation. 31. overall, four molecules of ATP are produced by glycolysis. However, the products glycolysis are two A molecules, two pyruvate molecules, and two NADH molecules values do not match (4 points) a. glucose metabolism is inefficient. b. glucose phosphate is form from fructose phosphate. c. glucose is degraded to CO2. d. two ATP are invested in the process of glycolysis. e. None of the above 33. The source of electrons for the electron transport chain is points) a. FADH b. O2 c. NADH. d. Both a and c

Explanation / Answer

Answer: Option C

Explanation: Metabolic pathways are not only anabolic but catabolic also. There are two types of metabolic pathways that are characterized by their ability to either synthesize molecules with the utilization of energy (anabolic pathway) or break down of complex molecules by releasing energy in the process (catabolic pathway)

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