Essential Biochemistry - Carbohydrate Metabolism (Section 7 - No. 30)
Which enzyme catalyzes the rate-limiting step in glycolysis?
Hexokinase
Phosphofructokinase-1
Pyruvate kinase
Glyceraldehyde-3-phosphate dehydrogenase
Explanation
Phosphofructokinase-1 (PFK-1) is the key regulatory enzyme.
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