Cyanide poisons mitochondria by blocking the final step in the electron transport chain. Human red blood cells placed in an isotonic solution containing cyanide are likely to ________.
A) retain the normal cell shape, but the mitochondria will be poisoned
B) lyse as the cyanide concentration increases inside the cell
C) switch to anaerobic metabolism
D) be unaffected

Question

Quizplus · Accepted Answer

Red blood cells lack mitochondria, so cyanide, which affects mitochondrial function, will not impact them.

Cyanide Poisons Mitochondria by Blocking the Final Step in the Electron