A peptide bond is a type of covalent bond that forms between two amino acids during protein synthesis. This bond occurs when the carboxyl group of one amino acid reacts with the amino group of another, releasing a molecule of water (this process is known as a dehydration synthesis or condensation reaction). Once formed, the peptide bond creates a dipeptide, and as more amino acids join in the same fashion, polypeptides and proteins are formed.
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