As Electrons Flow Through the Light-Dependent Reactions, They Become Associated

Multiple Choice

As electrons flow through the light-dependent reactions, they become associated with several molecules and molecular complexes. When do the electrons have the GREATEST amount of energy?

A) when they are associated with water
B) when they are associated with cytochrome b₆f
C) when they are associated with NADPH
D) when they are associated with photosystem I
E) when they are associated with photosystem II