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easyMCQNEET 20192026Biology
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Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by:

  1. A
    Aldolase
  2. B
    Hexokinase
  3. C
    Enolase
  4. D
    Phosphofructokinase

Solution & Step-by-step Explanation

The first step of glycolysis involves the phosphorylation of glucose to glucose-6-phosphate using ATP. This irreversible "priming" step is catalyzed by the enzyme Hexokinase.

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Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by:
A
Aldolase
B
Hexokinase
C
Enolase
D
Phosphofructokinase

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