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

Question

Quizplus · Accepted Answer

The energy released by the electron transport chain is used to pump H⁺ ions from the mitochondrial matrix into the mitochondrial intermembrane space, creating a proton gradient.

Energy Released by the Electron Transport Chain Is Used to Pump