The enzyme phosphofructo kinase-1 is strongly activated by_______________?
Correct answer: D. Fructose 2,6 bis phosphate
- A. Cyclic AMP
- B. Adenosine tri phosphate
- C. Citrate
- D. Fructose 2,6 bis phosphate
Explanation
Fructose 2,6-bisphosphate is the strongest activator of phosphofructokinase-1 and promotes glycolysis. ATP and citrate inhibit this enzyme, while cyclic AMP acts mainly through regulation of fructose 2,6-bisphosphate levels.
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