noun
polypeptide
A biochemical term for a chain of amino acids; used in scientific contexts.
タンパク質はポリペプチドから構成されている。
Proteins are composed of polypeptides.
タンパク質 (protein) is a functional biological molecule that may consist of one or more polypeptide chains folded into a specific shape.
Loanword from English 'polypeptide', itself from 'poly-' (many) + 'peptide'.