Each complex in the electron transport chain collectively acts as a _____ pump that removes H+ from the mitochondrial matrix and pumps it into the space between the inner and outer mitochondrial membranes.
A)proton
B)electron
C)neutron
D)sodium-potassium
E)calcium

Question

Quizplus · Accepted Answer

The electron transport chain consists of a series of protein complexes embedded in the inner mitochondrial membrane. As electrons flow through the chain, protons are pumped from the mitochondrial matrix into the intermembrane space, creating a proton gradient that is used to generate ATP. Therefore, each complex in the electron transport chain acts as a proton pump, removing H+ from the mitochondrial matrix and pumping it into the intermembrane space.

Each Complex in the Electron Transport Chain Collectively Acts as a _____