In glycolysis, insulin affects all of the following enzymes except:: (A) Phosphofructokinase, (B) Pyruvate kinase, (C) Glucokinase, (D) Hexokinase
Answer is D. The activation as well as the quantities of ceain key enzymes of glycolysis, namely glucokinase (NOT hexokinase), phosphofructokinase and pyruvate kinase are increased by insulin.