Question

what purpose does the peptide bond serve in protein synthesis?
it connects amino acids.
it adds a water molecule to the amino acid chain.
it releases the protein from the trna.
it makes a strand of mrna.

Explanation:

In protein synthesis, peptide bonds form between amino - acids to create polypeptide chains which fold into proteins. Amino acids are the building blocks of proteins, and peptide bonds link them together.

Answer:

It connects amino acids.