After a polypeptide chain has been synthesized, certain amino acids in the peptide may become modified. for each modified amino acid, identify the standard amino acid from which it is derived. enter the unabbreviated name of the standard amino acid. the amino acid structure shows the fully ionized form. the side chain is c h 2, c h 2, c h (o h), c h 2, n h 3 (plus). standard amino acid: identify the modification that yields the first amino acid depicted.

The modification that yields the first amino acid depicted is lysine

Explanation:

Lysine being an amino acid used in preparation of various medicine. It is used to prevent cold as well as sore throat, which is found to be caused by the herpes simplex labialis. It can be used orally or can be directly applied over the skin. various foods have lysine in it and they are meat, cheese, certain fishes, eggs, soybeans, spirulina and also fenugreek seed. They are the building block for the protein particles.

c

explanation: