Phosphofructokinase (PFK) Is a Highly Regulated Enzyme

question 15

Multiple Choice

Phosphofructokinase (PFK) is a highly regulated enzyme. Which of the following statements about PFK is correct?

• A) AMP and ADP both bind to and stabilize the inactive conformation of F6-P.
• B) ATP can overcome the inhibition by citrate.
• C) Citrate is an inhibitor of PFK.
• D) Acidic conditions from anaerobic metabolism activate PFK.
• E) None of the above.

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