Which of the following are possible functions for the activated electrons from PSI?
(I) reduction of NAD⁺
(II) reduction of NADP⁺
(III) formation of ATP
(IV) formation of a proton gradient
(V) formation of an ionic gradient

Question

Quizplus · Accepted Answer

Activated electrons from Photosystem I (PSI) are primarily involved in the reduction of NADP+ to NADPH (II) and can also contribute to the formation of a proton gradient (IV) across the thylakoid membrane, which is essential for ATP synthesis through chemiosmosis.

Which of the Following Are Possible Functions for the Activated