Which part of the electron transport chain does cyanide inhibit?
A) all of it
B) Complex I
C) Complex I and III
D) Complex II
E) the reduction of oxygen

Question

Quizplus · Accepted Answer

Cyanide inhibits the electron transport chain by binding to the iron within cytochrome c oxidase (Complex IV), which is crucial for the reduction of oxygen to water. This prevents the transfer of electrons to oxygen, the final electron acceptor, effectively halting cellular respiration.

Which Part of the Electron Transport Chain Does Cyanide Inhibit