Rhodopsin responds to light by causing _______ channels to close, halting the constant influx of these ions into photoreceptors that occurs in darkness.

Question

Quizplus · Accepted Answer

Rhodopsin, a light-sensitive receptor protein found in the photoreceptor cells of the retina, responds to light by causing calcium and sodium channels to close. This action halts the constant influx of these ions into the photoreceptors that occurs in darkness, leading to a hyperpolarization of the cell and the initiation of a signal that is processed as visual information.

Rhodopsin Responds to Light by Causing _______ Channels to Close