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  1. en.wikipedia.org › wiki › Amino_acidAmino acid - Wikipedia

    Hace 23 horas · Amino acids are organic compounds that contain both amino and carboxylic acid functional groups. [1] Although over 500 amino acids exist in nature, by far the most important are the 22 α-amino acids incorporated into proteins. [2] Only these 22 appear in the genetic code of life. [3] [4]