What is proton-motive force?
A) the force required to remove an electron from hydrogen
B) the force provided by a transmembrane hydrogen ion gradient
C) the force that moves hydrogen into the intermembrane space
D) the force that moves hydrogen into the mitochondrion
E) the force that moves hydrogen to NAD+

Question

Quizplus · Accepted Answer

Proton-motive force is the force provided by a transmembrane hydrogen ion gradient. This gradient is generated by the electron transport chain during cellular respiration and is used to power ATP synthesis.

What Is Proton-Motive Force