Coordinated movements of the individual digits in order to manage an object already in the hand is

When a photon of light strikes a photoreceptor,

a. the photopigment unites with a molecule of vitamin A and a nerve impulse is generated. b. photopigment is regenerated. c. rhodopsin is released into the visual pathway leading from the optic disk to the occipital cortex. d. the photopigment splits, and a series of chemical events stimulates the photoreceptors so that it generates a signal. e. rhodopsin splits apart and becomes rose-colored, initiating events that stimulate the ganglion cells.

Synaptic vesicles tend to be most prevalent in the

A) nucleus. B) nodes of Ranvier. C) postsynaptic membranes. D) dendrites. E) buttons.