Question

What functional groups will be joined together if alanine and serine molecules combine to form a single molecule?

Answer 1

Both being ɑ-amino acids, alanine and serine each have an amino (–NH2) and a carboxyl (–C(=O)OH) functional group. The amino group of one amino acid and the carboxyl group of the other amino acid can react in a condensation reaction to form a covalent peptide bond. The resulting molecule would be a dipeptide.