NURSING EXAM QUESTIONS
BIOCHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The enzyme that produces G3P & DHAP is:
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Hexokinase
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Aldolase
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PhosphoFructoKinase
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Enolase
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Explanation:
Detailed explanation-1: -Fructose-bisphosphate aldolase (EC 4.1. 2.13), often just aldolase, is an enzyme catalyzing a reversible reaction that splits the aldol, fructose 1, 6-bisphosphate, into the triose phosphates dihydroxyacetone phosphate (DHAP) and glyceraldehyde 3-phosphate (G3P).
Detailed explanation-2: -Oxidation of G3P to DHAP is catalyzed by the monotopic membrane enzyme, glycerol-3-phosphate dehydrogenase (GlpD), a primary dehydrogenase.
Detailed explanation-3: -DHAP is an intermediate metabolite in both the gluconeogenic and glycolytic pathways.
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