Answer:
Phosphofructokinase.
Explanation:
Hello,
During glycolysis, the most important enzyme for its regulation is phosphofructokinase, which catalyzes formation of the unstable, two-phosphate sugar molecule, fructose-1,6-bisphosphate. Phosphofructokinase speeds up or slows down glycolysis in response to the energy needs of the cell. Remember that the overall, glycolysis converts one six-carbon molecule of glucose into two three-carbon molecules of pyruvate.
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