In a Visual System, Light Is Absorbed by Rhodopsin, Which

In a visual system, light is absorbed by rhodopsin, which causes

A) a change of shape in opsin, a photosensitive protein.
B) depolarization of the rhodopsin molecule, which results in the generation of an action potential.
C) first a change in the retinal molecule into a different isomer, and then a change in shape of the opsin protein.
D) oxidation of the rhodopsin molecule, a process known as bleaching.
E) an increase in the number of rod cells.