A metabolite of what compound is used to synthesize vitamin D when human skin is exposed to ultraviolet light?

Name: A metabolite of what compound is used to synthesize vitamin D when human skin is exposed to ultraviolet light?
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Quizplus · Accepted Answer

Cholesterol is the precursor to vitamin D synthesis in the skin when it is exposed to UV light. The metabolite of cholesterol, 7-dehydrocholesterol, is converted into vitamin D3 (cholecalciferol) through the action of the sun's UVB radiation.

A Metabolite of What Compound Is Used to Synthesize Vitamin