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What are Vitamins in Biology? PDF | Download eBooks

Learn Vitamins definition in biology with explanation to study “What are Vitamins”. Study vitamins explanation with biology terms to review biology course for online degree programs.

Vitamins Definition

  • Vitamins are organic molecules that are required in the diet in very small amounts.

    Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson

Vitamins Explanation

A vitamin is an organic molecule (or related set of molecules) that is an essential micronutrient that an organism needs in small quantities for the proper functioning of its metabolism. Essential nutrients cannot be synthesized in the organism, either at all or not in sufficient quantities, and therefore must be obtained through the diet. Most vitamins are not single molecules, but groups of related molecules called vitamers. For example, vitamin E consists of four tocopherols and four tocotrienols.

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