Christopher L. answered 03/14/19
Professional Test Prep Tutor with Extensive DAT Experience
A peptide bond is the way that two amino acids are connected to one another. The carboxylic acid end of one amino acid is connected to the amino acid end of the next amino acid to form an amide, which forms the peptide bond.
Three amino acids will need two peptide bonds:
In general, you will need n-1 peptide bonds to connect n amino acids.