In photosynthesis and respiration,ATP synthes | vedclass

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Question

(C) In both photosynthesis (photophosphorylation) and respiration (oxidative phosphorylation),$ATP$ synthesis is driven by the movement of electrons t

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Electrons

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(C) In both photosynthesis (photophosphorylation) and respiration (oxidative phosphorylation),$ATP$ synthesis is driven by the movement of electrons through an electron transport chain $(ETC)$.As electrons move from a higher energy state to a lower energy state through various carriers (like cytochromes or ferredoxin),they release energy.This released energy is used to pump protons $(H^+)$ across a membrane,creating a proton gradient.The dissipation of this proton gradient through $ATP$ synthase provides the energy required to phosphorylate $ADP$ into $ATP$.Therefore,the energy for $ATP$ synthesis is derived from the movement of electrons.

In photosynthesis and respiration,$ATP$ synthesis occurs through oxidation processes. From where is the energy obtained for this process?

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