The Enzyme Phosphofructokinase Is the Major Regulatory Enzyme of Glycolysis

question 37

Multiple Choice

The enzyme phosphofructokinase is the major regulatory enzyme of glycolysis. It catalyzes

• A) the isomerization of glucose 6- phosphate to fructose 6- phosphate.
• B) the phosphorylation of fructose 6- phosphate.
• C) the substrate- level phosphorylation reaction whereby phosphoenolpyruvate is converted to pyruvate.
• D) the first of the 10 reactions of glycolysis.

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