PHYSIOLOGY
MUSCLE ENERGETICS GLYCOLYSIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which molecule is an isomer of Glyceraldehyde-3-phosphate?
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Phosphoenol pyruvate
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1, 3-Biphosphoglycerate
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Dihydroxyacetone phosphate
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Glucose
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Explanation:
Detailed explanation-1: -Triosephosphate isomerase (TIM) catalyzes the interconversion of d-glyceraldehyde-3-phosphate (G3P) and dihydroxyacetone phosphate (DHAP).
Detailed explanation-2: -Dihydroxyacetone phosphate lies in the glycolysis metabolic pathway, and is one of the two products of breakdown of fructose 1, 6-bisphosphate, along with glyceraldehyde 3-phosphate. It is rapidly and reversibly isomerised to glyceraldehyde 3-phosphate.
Detailed explanation-3: -Dihydroxyacetone phosphate (DHAP) is an isomer of G3P, DHAP converts in its isomer and forms Glyceraldehyde – 3 – phosphate.
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