This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory Chain, Subject name: Biochemistry
[{'content': 'Cyanide inhibits - \nSelect and explain. \nA. Pyrurate kinase, B. Cytochrome C oxidase, C. Enolase, D. None', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Cytochrome C oxidase Inhibitors of Electron transport chain (Respiratory chain)o Complex I:- Barbiturates (amobarbital), piercidin A, rotenone, chlorpromazine, guanithidine.o Complex II:- Carboxim TTFA, malonate.o Complex III :- Dimercapro!, BAL. actinomycinA, Naphthyloquinone.o Complex IV(cytochrome c oxidase) Carbon monoxide (CO), cyanide (CN-), H2S, azide (N3-)", 'role': 'assistant'}]