Study the following statements regarding the chemiosmotic hypothesis in mitochondria and select the CORRECT ones.
(i) F₁ headpiece contains the site for the synthesis of ATP from ADP + Pi.
(ii) F₀ part forms the channel through which protons crosses the inner membrane.
(iii) For each ATP produced, 2H⁺ pass through F₀ from the intermembrane space to the matrix down the electrochemical proton gradient.
 

The F₁ headpiece is a peripheral membrane protein complex and contains the site for synthesis of ATP from ADP and inorganic phosphate. F₀ is an integral membrane protein complex that forms the channel through which protons cross the inner membrane. The passage of protons through the channel is coupled to the catalytic site of the F₁ component for the production of ATP. For each ATP produced, 2H⁺ passes through F₀ from the intermembrane space to the matrix down the electrochemical proton gradient.