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Question

Photosensitive compound in human eye is made up of
  1. Opsin and Retinal
  2. Opsin and Retinol
  3. Transducin and Retinene
  4. Guanosine and Retinol.

A
Opsin and Retinal
B
Transducin and Retinene
C
Opsin and Retinol
D
Guanosine and Retinol.
Solution
Verified by Toppr

The correct option is A Opsin and Retinal
The photosensitive compound present in vision is called rhodopsin, also known as visual purple which consists of a large protein called opsin and retinal. Opsins are a group of light-sensitive proteins found in photoreceptor cells of the retina. Five classical groups of opsins are involved in vision, mediating the conversion of a photon of light into an electrochemical signal, the first step in the visual transduction cascade. Retinal allows certain microorganisms to convert light into metabolic energy. So, the correct answer is option A.

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