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Question

Vitamin A is responsible for

A
Rhodopsin
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B
Night blindness
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C
Pellagra
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D
Cirrhosis
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Solution

The correct option is A Rhodopsin
Rhodopsin is the primary pigment found in rod photoreceptors. They are extremely sensitive to light, enabling vision in low-light conditions. Vitamin A is required for the formation of the photoreceptor rhodopsin, which is a complex of retinal and the visian protein opsin. Retinol is produced in the retina from Vitamin A, from dietary beta-carotene.
Therefore, the correct answer is option A.

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