Suppose That the Proton Gradient Was Destroyed and ATP Was

Multiple Choice

Suppose that the proton gradient was destroyed and ATP was no longer produced by oxidative phosphorylation. Which statement describes what happens to these protons as they re-enter the mitochondrial matrix?

A) They help in the production of CO₂.
B) They are attached to NAD⁺ and FAD.
C) They synthesize ATP by substrate-level phosphorylation.
D) They combine with oxygen to form water.