I could be wrong but I think it might be antibody production
Explanation:
The structure of proteins are polymers composed of amino acids linked 2gether by peptide bonds; peptide bonds form a peptide chain.. 1 or more polypeptide chain form a protein... hope this helps..;)
Because chemistry is what the body is made up of. It explains the elements in the system and how each effects the biological processes. Chemistry and biology go hand-in-hand because there are tons of chemical reactions and chemistry components within the body.