Vitamin D is synthesized in the skin upon exposure to sunlight or obtained from dietary sources. It is then metabolized in the liver and kidneys into its active form, calcitriol (1,25-dihydroxyvitamin D), which acts as a steroid hormone to regulate calcium and phosphate metabolism, affecting bone health, kidney function, and immune responses.
Which of the following vitamin serves as a hormone precursor?
Asked in WBCS Main Paper 4 2019 · Topic: Vitamins and Nutrition (Fat-soluble Vitamins (A, D, E, K): Chemical names, sources, functions, deficiency diseases, toxicity)
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