PHYSIOLOGY
MUSCLE ENERGETICS GLYCOLYSIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Glycolysis will result in the production of ____ ?
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2 ATP
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4 ATP
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4 NADH
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2 Acetyl CoA
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Explanation:
Detailed explanation-1: -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-2: -In the first step, glucose ⇢ glucose-6-phosphate, ATP is used and gets converted into ADP. Similarly, in the third step, fructose-6-phosphate ⇢ fructose-1, 6-biphosphate, ATP is used. Thus, two ATPs are used in the first three steps of glycolysis. Hence, to split the glucose 2 molecules of ATPs are used.
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