This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
The main site of fluoride inhibition in the Embden¬Meyerhof pathway of acid: 
Select and explain. 
A. ATPase, B. Enolase, C. Pyruvate kinase, D. Fructose -6 phosphatase
B: Enolase
Answer: B: Enolase 
Explanation: None