单词	polypeptide
释义	polypeptide /ˌpɒlɪˈpɛptʌɪd / noun Biochemistry A linear organic polymer consisting of a large number of amino-acid residues bonded together in a chain, forming part of (or the whole of) a protein molecule: [as modifier]: a polypeptide chain... It is a basic protein with a single polypeptide chain and acts on cellular and model lipid membranes. These enzymes break down proteins into polypeptides and then into amino acids, which are absorbed through the gut wall into the bloodstream. They both develop random transient beta-strands across the whole polypeptide chain. Origin Early 20th century: from poly- 'many' + peptone + -ide.
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