What is the light-sensitive chemical present | vedclass

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Question

(A) The light-sensitive pigments (photopigments) in the human eye,specifically in the rods and cones of the retina,are composed of an opsin (a protein

Vedclass · Accepted Answer

Opsin and Retinal

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(A) The light-sensitive pigments (photopigments) in the human eye,specifically in the rods and cones of the retina,are composed of an opsin (a protein) and retinal (an aldehyde of vitamin $A$).When light strikes the photopigment,it causes the dissociation of retinal from opsin,resulting in changes in the structure of the opsin.This structural change leads to the generation of action potentials in the photoreceptor cells,which are then transmitted to the brain via the optic nerve.

What is the light-sensitive chemical present in the human eye composed of?

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