Vitamin-D is synthesized in the skin by the a | vedclass

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Question

(B) Vitamin-$D$ is a steroid hormone synthesized from cholesterol derivatives. Vitamin-$D_{3}$ (cholecalciferol) is synthesized in the skin of animals

Vedclass · Accepted Answer

$7$-dehydrocholesterol

Vedclass · Answer

(B) Vitamin-$D$ is a steroid hormone synthesized from cholesterol derivatives. Vitamin-$D_{3}$ (cholecalciferol) is synthesized in the skin of animals and humans. The precursor for this synthesis is $7$-dehydrocholesterol,which is present in the epidermis. When ultraviolet $(UV)$ rays from sunlight strike the skin,they convert $7$-dehydrocholesterol into cholecalciferol (Vitamin-$D_{3}$).

Column-$I$	Column-$II$
$(A)$ Triglyceride	$(i)$ Animal hormone
$(B)$ Structural lipid	$(ii)$ Feathers and leaves
$(C)$ Steroid	$(iii)$ Phospholipid
$(D)$ Wax	$(iv)$ Fat storage in droplet form

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

Similar Questions

The highest total energy produced per gram is found in .........

$\beta$-oxidation occurs in .........

Match Column-$I$ with Column-$II$ and select the correct answer:

Column-$I$ Column-$II$

$(A)$ Triglyceride $(i)$ Animal hormone

$(B)$ Structural lipid $(ii)$ Feathers and leaves

$(C)$ Steroid $(iii)$ Phospholipid

$(D)$ Wax $(iv)$ Fat storage in droplet form

In which of the following is fat insoluble?

Which of the following is stored in the body as a reserve food material?

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