Also known as: AA.
AA has various meanings in the Nutrition category. Discover the full forms, definitions, and usage contexts of AA in Nutrition.
Amino acids are biologically important organic compounds composed of amine (-NH2) and carboxylic acid (-COOH) functional groups, along with a side-chain specific to each amino acid. The key elements of an amino acid are carbon, hydrogen, oxygen, and nitrogen, though other elements are found in the side-chains of certain amino acids.
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