identify the amino acids that form the peptide; (2) label the N-
and C- terminal amino acids;(3) name the tripeptide using three-letter symbol
The given peptide-
 The peptide is made of three amino acids. They are Aspartic acid, Alanine, Isoleucine.
 The N-terminal amino acid- Aspartic acid
The C-terminal amino acid- Isoleucine.
 The three-letter symbols are represented for the given tripeptide is: Asp-Ala-lle.