A Simple Explanation of the Action of an Uncoupler of Mitochondrial

A simple explanation of the action of an uncoupler of mitochondrial oxidative phosphorylation is that it is any agent that

A) blocks the oxidation of reduced cytochrome c by cytochrome oxidase.
B) prevents formation of ATP by interacting with and blocking proton transport through the proton translocating ATPase.
C) acts to conduct protons back into the mitochondrial matrix without accompanying formation of ATP.
D) blocks proton conductance and slows oxygen uptake rates.