Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Polypeptide chains are long sequences of amino acids linked by peptide bonds. They fold into specific shapes to form proteins.
Related terms
Peptide Bond: This is the chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of another molecule.