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  • Word comparison: peptide vs. polypeptide

peptide vs. polypeptide

peptide

noun

Biochemistry.
  1. a compound containing two or more amino acids in which the carboxyl group of one acid is linked to the amino group of the other.

polypeptide

noun

Biochemistry.
  1. a chain of amino acids linked together by peptide bonds and having a molecular weight of up to about 10,000.