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Identify the correct statements regarding chemi-osmotic hypothesis.
(a) Cytochrome $b_{6} / f$ acts as proton pump.
(b) ${CF}_{0}$ forms a transmembrane channel that carries out facilitated diffusion of protons across the membrane
(c) Conformational change in the ${CF}_{1}$ particle of the ATP synthase leads to ATP formation.
(d) Energy is not used to pump protons across a membrane, to create a gradient or a high concentration of protons within the thylakoid lumen.
(e) ATP synthesis occurs due to breakdown of proton concentration gradient established between lumen and stroma.

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(a), (b), (c) and (e)

(b), (c) and (d)

(a), (b),(d) and (e)

(a), (b) and (d)

answer is D.

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Detailed Solution

Energy is used to pump protons across thylakoid membrane, to create a gradient or a high concentration of protons within the thylakoid lumen.

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