Which of the following is a light-sensitive pigment found within the retina?

Question

Quizplus · Accepted Answer

Rhodopsin is the light-sensitive pigment found within the retina. It is composed of a protein called opsin and the chromophore retinal. When light hits rhodopsin, retinal undergoes a change in shape, leading to a series of biochemical reactions that generate a nerve impulse, ultimately leading to vision. Opsin and rhodopsin are specialized for different light conditions, allowing for color vision and night vision. Melanin is a pigment responsible for the color of the skin, hair, and eyes, but is not directly involved in vision. Chlorophyll and xanthophylls are pigments found in plants, not animals.

Which of the Following Is a Light-Sensitive Pigment Found Within