Vitamin-D is synthesized in skin by the action of sunlight on?

Cholesterol

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7-Hydroxycholesterol

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Cephalin cholesterol

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All of the above

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Solution

The correct option is C 7-Hydroxycholesterol
Vitamin D3 is synthesized in the skin by the reaction of 7-dehydrocholesterol with UVB radiation, present in sunlight with an UV index of three or more.
So, option A is the correct option.

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Similar questions

Skin can synthesize vitamin___when exposed to sunlight.

The skin is able to synthesize Vitamin D when exposing to sunlight.

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