Irreversible reactions in glycolysis


Asked by maham237 @ in Chemistry viewed by 153 People


g Select the irreversible reactions of glycolysis. conversion of glucose to glucose 6‑phosphate by hexokinase conversion of glucose 6‑phosphate to fructose 6‑phosphate by phosphoglucose isomerase conversion of fructose 6‑phosphate to fructose 1,6‑bisphosphate by phosphofructokinase conversion of phosphoenolpyruvate to pyruvate by pyruvate kinase conversion of phosphoglycerate to phosphoenolpyruvate by enolase

Answered by maham237 @



Answer:

1) Conversion of glucose to glucose 6-phosphate by hexokinase

2) Conversion of fructose 6-phosphate to fructose 1,6-biphosphate by phosphofructokinase

3) Conversion of phosphoenolpyruvate to pyruvate by pyruvate kinase

Explanation:

There are 10 steps in the glycolysis pathway, three of which are irreversible. The enzymes controlling these reactions have not only catalytic properties but the irreversibility of the reaction gives them regulatory properties as well. These reactions serve as control points in the pathway.


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