Answer :
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.
The irreversible reactions of glycolysis are:
- conversion of glucose to glucose 6‑phosphate by hexokinase
- conversion of fructose 6‑phosphate to fructose 1,6‑bisphosphate by phosphofructokinase
- conversion of phosphoenolpyruvate to pyruvate by pyruvate kinase
What is glycolysis?
Glycolysis is a sequence of reactions or reaction pathway through which glucose is broken down to pyruvate.
There are 10 steps in the glycolytic pathway of which three are irreversible.
The irreversible reactions of glycolysis are energy-dependent.
The irreversible reactions of glycolysis are:
- conversion of glucose to glucose 6‑phosphate by hexokinase
- conversion of fructose 6‑phosphate to fructose 1,6‑bisphosphate by phosphofructokinase
- conversion of phosphoenolpyruvate to pyruvate by pyruvate kinase
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