biological evaluation of the next hexapeptide. Place these peptides in descending order, starting with the highest (for example, Peptide 2> peptide 1> peptide 3) and mark the essential amino acids: 1) Glu-Asp-Pro-Ala-Cys-Gly; 2) Glu-Asp-Pro-Ala-Val-Cys; 3) Glu-Val-Pro-Thr-Ala-Gly;