Q.

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

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a

aldolase

b

enolase

c

 phosphofructokinase

d

hexokinase

answer is C.

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Detailed Solution

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The 1st step of glycolysis is the conversion of glucose to glucose 6 phosphate with the help of the enzyme hexokinase. This step is irreversible.

Phosphofructokinase is known to convert fructose-6-phosphate to fructose-1,6-bisphosphate.

Aldolase breakdown fructose 1,6 bisphosphate to glyceraldehyde 3 phosphate and dihydroxy acetone phosphate.

Enolase converts 2-phosphoglycerate to phosphoenol pyruvate.

 

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