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
Inhibitor of FOF1 ATPase in Electron transpo chain ? 
Select and explain. 
A. Antimycin, B. Oligomycin, C. 2, 4 dinitrophenol, D. Barbiturate
B: Oligomycin
Answer: B: Oligomycin 
Explanation: Oligomycin Inhibitors of oxidative phosphorylation These compounds directly inhibit phosphorylation of ADP to ATP.Oligomycin inhibits Fa component of FoFi ATPase.Atractiloside inhibits translocase, a transpo protein that transpos ADP into mitochondria for phosphorylation into ATP.