A-Level CAIE Biology A2 12.2.8—Oxidative phosphorylation Question Bank

• Oxidative phosphorylation:

- Hydrogen splits into protons and energetic electrons

- Electrons release energy through electron transport chain

- Energy transfers protons across inner mitochondrial membrane

- Protons return via ATP synthase by facilitated diffusion, providing energy for ATP synthesis

- Oxygen as final electron acceptor forms water