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Question

In glycolysis, the dehydration reaction is _____ .

A
Enolase
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B
Phosphoenolpyruvate forming pyruvate by phosphorylation of ADP
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C
Glyceraldehyde-3-phosphate forming 1,3-bisphosphoglycerate
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D
Glucose forming glucose-6-phosphate by removal of water
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Solution

The correct option is A Enolase
The removal of one water molecule from 2-phosphoglyceric acid resulting in the formation of phosphoenol pyruvic acid is the dehydration reaction in the glycolysis pathway. No other reaction involves dehydration or removal of water in the glycolysis pathway, the conversion of glucose to glucose-6-phosphate is not a dehydration reaction, but a phosphorylation reaction.

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