What function group pairing allows amino acids to bond together to form polypeptides?

Holding of amine gathering to corrosive gathering. Polypeptides frame from lack of hydration amalgamation responses between an amine gathering and a natural corrosive gathering. 
Polypeptides are chains of amino acids. Proteins are comprised of at least one polypeptide atoms. The amino acids are connected covalently by peptide bonds. The designs on the correct shows how three amino acids are connected by peptide bonds into a tripeptide.

The answer is a: the eggs have half as many chromosomes as the body cells