Question
Which of the following is an inhibitor of the step(marked by an arrow) in the pathway shown in the image?
A. Cyanide
B. Barbiturate
C. Rotenone
D. Oligomycin
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Correct Answer » A Explanation |
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Ans:Cyanide.
Electron Transport Chain is shown in the image.Complex IV is marked in the image.Cyanide is an inhibitor of Complex IV.
Inhibitors of ETC:
Cyanide:Inhibitor of Complex IV/Cytochrome Oxidase.
Barbiturates and Rotenone:Inhibitor of Complex I/NADH dehydrogenase
Oligomycin:Inhibitor of F0 component of FoF1 ATP synthase.