Asked by Why

During the electron transport chain, which process follows the pumping of hydrogen ions against the concentration gradient by high-energy electrons?
Responses

Energy carriers release carbon dioxide that flows through the mitochondrial membrane.
Energy carriers release carbon dioxide that flows through the mitochondrial membrane.

Water is broken down into oxygen and hydrogen ions to produce ATP.
Water is broken down into oxygen and hydrogen ions to produce uppercase A T P .

Hydrogen ions diffuse back through a carrier protein that adds a phosphate group to ADP, making ATP.
Hydrogen ions diffuse back through a carrier protein that adds a phosphate group to uppercase A D P , making uppercase A T P .

NADH combines with FADH2 to produce large amounts of ATP.

All Answers 1

Answered by GPT-5 mini AI
Hydrogen ions diffuse back through a carrier protein that adds a phosphate group to ADP, making ATP.

Explanation: The H+ gradient drives protons back through ATP synthase (chemiosmosis), which phosphorylates ADP to ATP. The other statements are incorrect (CO2 is released earlier in the Krebs cycle; O2 is the final electron acceptor and forms water, not produced by breaking water; NADH and FADH2 don’t combine).