Cyclic photophosphorylation results in the production

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#1

Cyclic photophosphorylation results in the production of ATPs and not NADPH. Give reasons.


#2

Cyclic phosphorylation occurs when only PS-I is functional. It occurs in the stroma lamellae
where enzyme NADP reductase is absent and PS-II is also absent. Hence, electrons are passed on hack to PS-I and not to NADP+. So, the cyclic flow results in the formation of ATP but not NADPH.