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Question

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

A
Phosphofructokinase
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B
Aldolase
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C
Hexokinase
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D
Enolase
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Solution

The correct option is C Hexokinase
Glycolysis is the metabolic process that converts glucose into pyruvic acid.

It occurs in the cytoplasm of the cell.

It is a metabolic pathway consisting of several steps. Each step is catalysed by an enzyme.


Conversion of glucose to glucose-6 phosphate is an irreversible reaction in glycolysis.

In this reaction, a phosphate group is transferred from ATP to glucose forming glucose-6-phosphate. This reaction is catalysed by the enzyme, hexokinase.

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