This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of carbohydrate, Subject name: Biochemistry
All of the following are regulating enzymes of glycolysis, except 
Select and explain. 
A. Hexokinase, B. Pyruvate kinase, C. Enolase, D. Phosphofructokinase I
C: Enolase
Answer: C: Enolase 
Explanation: All three except enolase are regulatory enzymes of the glycolytic pathway.Ref: DM Vasudevan, 7th edition, page no: 108