Question

multiple choice question
in plants, what photosystem acts last in the light-dependent reactions?

○ photosystem i

○ photosystem ii

○ photosystem iii

Explanation:

In the light - dependent reactions of photosynthesis in plants, the order of operation of the photosystems is photosystem II first, followed by photosystem I. There is no photosystem III involved in the light - dependent reactions of plant photosynthesis. So the photosystem that acts last is photosystem I.

Answer:

A. photosystem I