Protons flow back into the matrix through: 

How many hydrogen ions are pumped out by Complex IV per pair of electrons?

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How many energy coupling sites are found in the electron transport chain?

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The Catalytic site of ATP synthase is: 

To make 1 ATP molecule, 10 protons must be imported through the F₀ component of the ATP synthase.

F₀ is located in the: 

Total yield of ATP from Glucose via aerobic glycolysis and TCA cycle is always 32.

FADH₂ only contributes 2 protons in total leading to the formation of 1.5 ATP molecules.

Uncouplers affect ATP synthesis by:

Oxidation of NADH and FADH₂ produces 2.5 ATP each.