Use the following figure to answer the questions below.

-Which of the following most accurately describes what is happening along the electron transport chain in the figure above?

A)Chemiosmosis is coupled with electron transfer.
B)Each electron carrier alternates between being reduced and being oxidized.
C)ATP is generated at each step.
D)Energy of the electrons increases at each step.
E)Molecules in the chain give up some of their potential energy.