Phosphofructokinase is an allosteric enzyme in the glycolysis pathway. Regulation of glycolysis is directly related to the level of ATP and citrate. If ATP or citrate levels are high, phosphofructokinase will be inhibited

What will happen to this enzyme when ATP levels
drop?
A. Phosphofructokinase will be inhibited.
B. Phosphofructokinase will be activated.
C. Metabolism of citrate will be inhibited.
D. Metabolism of phospholipids will be
activated.
E. Metabolism of phospholipids will be
inhibited.


Answer Key: B

Biology & Microbiology

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