amino acid

amino acid | Definition, Structure, & Facts | Britannica6 days ago — An amino acid is an organic molecule that is made up of a basic amino group (−NH2), an acidic carboxyl group (−COOH), and an organic R group (or side chain) that is unique to each amino acid. The term amino acid is short for α-amino [alpha-amino] carboxylic acidAmino Acids - University of ArizonaThe 10 amino acids that we can produce are alanine, asparagine, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine and tyrosine. Tyrosine 
Amino acid - WikipediaAmino acids are the structural units (monomers) that make up proteins. They join together to form short polymer chains called peptides or longer chains called either polypeptides or proteins. These polymers are linear and unbranched, with each amino acid within the chain attached to two neighboring amino acidsAmino Acid - an overview | ScienceDirect TopicsAmino acids are ampholytes; i.e., they contain both acidic and basic groups. Free amino acids can never occur as nonionic molecules. Instead, they exist as Protein and Amino Acids - Recommended Dietary AllowancesNine amino acids—histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine—are not synthesized by mammals and are Amino acids: MedlinePlus Medical EncyclopediaFeb 2, 2019 — Amino acids · Essential amino acids cannot be made by the body. As a result, they must come from food. · The 9 essential amino acids are: Essential Amino Acids: Chart, Abbreviations and StructureAmino acids are the building blocks that form polypeptides and ultimately proteins. Consequently, they are