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- What do the electrons added to NAD do? a. They become part of a fermentation pathway. b. They go to another pathway for ATP production. c. They energize the entry of the acetyl group into the citric acid cycle. d. They are converted into NADP.The glucose that enters the glycolysis pathway is split into two molecules of _____. a. ATP b. phosphate c. NADH d. pyruvateWhich of the following is NOT similar in lactic acid fermentation and alcoholic fermentation? a. Total number of net ATP b. Oxidizing agent of NADH c. Number of NAD+ regenerated d. Steps in glycolysis to produce pyruvate
- Which of the following distinguishes lactate fermentation from alcoholic fermentation? (Only one answer is correct) A. CO2 is not produced during lactate fermentation. B. Pyruvate is an input to regenerate NAD+ during lactate fermentation. C. Two ATP are used to initiate glycolysis during lactate fermentation. D. Four ATP are produced by glycolysis during lactate fermentation.Which of the following correctly represents the flow of energy during fermentation? glucose → pyruvate → NADH glucose → NAD+ → lactic acid glucose → CO2 → lactic acid glucose → NADH → lactic acidWhat is pyruvate converted into for the two fermentation types? lactate (lactic acid) and ethyl alcohol (ethanol) glucose and citric acid lactate and glucose ethanol and glucose
- Which of the following enzymes consumes one molecule of NADH, during anaerobic fermentation in yeast, as it converts a two-carbon substrate molecule into a two-carbon product molecule? succinate dehydrogenase pyruvate decarboxylase C. isocitrate dehydrogenase lactate dehydrogenase alcohol dehydrogenaseWhich of the following distinguishes fermentation from aerobic respiration? Fermentation requires an input of oxygen. Fermentation occurs under anaerobic conditions. Fermentation has a higher ATP yield than aerobic respiration. Fermentation breaks down all of the carbon–carbon bonds in a glucose molecule.Which of the following enzymes consumes one molecule of NADH, during anaerobic fermentation in humans, as it converts a three-carbon substrate molecule into a three-carbon product molecule? succinate dehydrogenase pyruvate decarboxylase C. isocitrate dehydrogenase lactate dehydrogenase alcohol dehydrogenase
- Which of the following is produced during glycolysis? pyruvate lactic acid acetyl-CoA NAD+What is the primary difference between lactic acid fermentation and alcoholic fermentation? lactic acid produced CO2, whereas alcoholic fermentation does not alcoholic fermentation produces O2, whereas lactic acid does not alcoholic fermentation produces CO2, whereas lactic acid does not alcoholic fermentation is an aerobic process, whereas lactic acid fermentation is an anaerobic processWhich of the following statements is correct? A) NAD+ is reduced to NADH during glycolysis, pyruvate oxidation, and the citric acid cycle. B) NAD+ has more chemical energy than NADH. C) NAD+ is oxidized by the action of hydrogenases. D) NAD+ can donate electrons for use in oxidative phosphorylation. E) NAD+ is reduced during fermentation in order for glycolysis to continue.