First enzyme which starts the glycolytic pathway is:

Phosphofructokinase

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PEP–carboxylase

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Hexokinase

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Isomerase

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Solution

The correct option is C Hexokinase
The first step of glycolysis is the conversion of glucose to glucose-6-phosphate. This reaction is catalysed by the enzyme hexokinase. Hexokinase is an enzyme that phosphorylates hexose sugars.

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