Put the Following Steps of the Light Reactions in the Correct

Multiple Choice

Put the following steps of the light reactions in the correct order: 1. Light excites an electron from photosystem I.
2) Light excites an electron from photosystem II.
3) Electrons reduce NADP⁺ to NADPH.
4) Electrons pass through an electron transport chain, which generates a H+ gradient used to make ATP.

A) 1, 2, 3, 4
B) 1, 4, 2, 3
C) 2, 4, 1, 3
D) 2, 3, 1, 4