Protein, kunyangwe ichishandiswa pakutaura nezve chero polypeptide, inoreva mafomu akakura kana anoshanda zvizere uye anogona kuve nemaketani akati wandei epolypeptide pamwe nemaketani ega. Mapuroteni anogona zvakare kugadziridzwa kuti abatanidze zvisiri-peptide zvikamu, senge saccharide maketeni uye lipids. Mubvunzo: Chii chauchawana neamino acid residues?
zvisungo zvepeptide