PHYSIOLOGY
MUSCLE ENERGETICS GLYCOLYSIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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NAD+ is regenerated in order to sustain glycolysis in anaerobic condition.
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True
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False
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -In the process of glycolysis, NAD+ is reduced to form NADH + H+. If NAD+ is not present, glycolysis will not be able to continue. During aerobic respiration, the NADH formed in glycolysis will be oxidized to reform NAD+ for use in glycolysis again.
Detailed explanation-2: -When sufficient oxygen is not present in the muscle cells for further oxidation of pyruvate and NADH produced in glycolysis, NAD+ is regenerated from NADH by reduction of pyruvate to lactate. Lactate is converted to pyruvate by the enzyme lactate dehydrogenase.
There is 1 question to complete.