Energy released from 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 electron transport chain in eukaryotic cells pumps H+ ions into the mitochondrial intermembrane space, creating a proton gradient that drives ATP synthesis.

Energy Released from the Electron Transport Chain Is Used to Pump