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Phosphofructokinase is an important control enzyme in the regulation of cellular respiration. Which of the following statements describes a function of phosphofructokinase?
A) It is activated byAMP (derived from ADP).
B) It is activated by ATP.
C) It is inhibited by citrate, an intermediate of the citric acid cycle.
D) It catalyzes the conversion of fructose-1,6-bisphosphate to fructose-6-phosphate, an early step of glycolysis.
E) It is an allosteric enzyme.
Biology Chapter 10
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