PHYSIOLOGY
MUSCLE ENERGETICS GLYCOLYSIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the first enzyme that transforms glucose to glucose-6-phosphate (G6P)?
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Hexokinase (HK)
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Triose phosphate isomerase (TIM)
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Phosphoglycerate kinase (PGK)
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Phosphofructokinase (PFK)
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Explanation:
Detailed explanation-1: -Hexokinase is the initial enzyme of glycolysis, catalyzing the phosphorylation of glucose by ATP to glucose-6-P.
Detailed explanation-2: -The first step in glycolysis is catalyzed by hexokinase, an enzyme with broad specificity that catalyzes the phosphorylation of six-carbon sugars. Hexokinase phosphorylates glucose using ATP as the source of the phosphate, producing glucose-6-phosphate, a more reactive form of glucose.
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