PHYSIOLOGY
MUSCLE ENERGETICS GLYCOLYSIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Net production of ATP molecules in glycolysis is four.
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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: -So, the net gain of ATP molecules during glycolysis is 2.
Detailed explanation-2: -First ATP is produced when glyceraldehyde-3-phosphate ⇢ 1, 3 diphosphoglycerate. Secondly ATP is produced when phosphoenolpyruvate ⇢ pyruvate. These reactions occur twice for both molecules of 3-phosphate. Thus, a total of 4 ATPs are produced during glycolysis.
Detailed explanation-3: -The correct answer is C. No net ATP are generated after glycolysis. Glycolysis occurs in the cytoplasm or cytosol of the cells and it does not require oxygen. However, in the process of glycolysis, the net end products are two pyruvates, two NADH, and two ATP.
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