As Electrons Flow from One Photosystem to Another, the Amount

Multiple Choice

As electrons flow from one photosystem to another, the amount of energy present in the electrons decreases. How does the plant cell use the energy lost by the electrons?

A) The energy is used directly by ATP synthase to make ATP.
B) The energy is used to reduce NADP⁺ to NADPH.
C) The energy is used to increase the pH of the thylakoid lumen.
D) The energy is used to create and maintain a proton gradient.