Amino acids are low-molecular-weight biomolecules that serve as building blocks of peptides and proteins. In forming these larger compounds, amino acids become linked covalently, producing chains of varying lengths. We call short chains, consisting of two or more amino acids, peptides. Long chains, often containing hundreds of amino acids, are polypeptides or proteins. Each chain has a unique sequence of amino acids.
KeywordsPolypeptide Chain Peptide Bond Dansyl Chloride Simple Amino Acid Ionizable Functional Group
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