Ergosterol is a precursor of vitamin
A. D2
B. B1
C. K
D. E
Answer: Option A
Solution (By Examveda Team)
Ergosterol is a precursor of vitamin D2.Ergosterol is a provitamin form of vitamin D2; exposure to ultraviolet (UV) light causes a chemical reaction that produces vitamin D2. It is a biological precursor of vitamin D2, the chemical name of which is ergocalciferol.
Ergosterol is present in cell membranes of fungi, yet absent in those of animals, it is a useful target for antifungal drugs. Ergosterol is also present in the cell membranes of some protists, such as trypanosomes.
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