Biochemistry Which of the following is true for phosphofructokinase? A It uses Fructose 1,6 bisphosphate as substrate. B It generates ATP C It catalyses an irreversible reaction in glycolysis D It is activated by increased levels of ATP and citrate. 💡 Explanation Which of the following is true for phosphofructokinase? ✓ Correct Answer: C. It catalyses an irreversible reaction in glycolysis