Energy released by the electron transport chain is used to pump H+ into which location in eukaryotic cells?
A) cytosol
B) outer mitochondrial membrane
C) inner mitochondrial membrane
D) mitochondrial intermembrane space
E) mitochondrial matrix

Question

Quizplus · Accepted Answer

The electron transport chain pumps H+ ions from the matrix of the mitochondria into the intermembrane space. This sets up a H+ gradient which can be used to generate ATP through the process of oxidative phosphorylation.

Energy Released by the Electron Transport Chain Is Used to Pump