Answer:
It's not A or B. I hope that helps you a bit.
Explanation:
It is called c) a protien. which proteins are found in pretty much every living thing
In order to make the proton gradient, protons are pumped across the mitochondrial membrane at several points in the electron transport chain. However, that proton gradient is only used to make ATP by the ATP synthase, which is technically separate from the electron transport chain.
I’m sorry I don’t understand that at al
