Cyanide is a poison which prevents the last carrier in the electron transport chain (cytochrome C oxidase) from transferring the electron to the final electron acceptor. Which of the following would not be a consequence of exposure to this poison?

A) ADP would no longer be recharged to form ATP.
B) Glycolysis, the intermediate reaction, and the Krebs cycle would stop as the cell would run out of the necessary oxidized coenzymes NAD+ and FAD.
C) Movement of electrons through the chain would stop.
D) Carbon dioxide would continue to be generated.
E) Protons would no longer be pumped outside the membrane.


Answer: D

Biology & Microbiology

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