Question

Which of the following statements about peptide bonds are true?
A)Peptide bond formation is a hydrolysis reaction
B)Peptide bonds are amide linkages.
C)A tetrapeptide contains five amino acid residues
D)Peptides are polymers of proteins.
E)Peptide bonds form from nucleophilic attack by an electron pair on an α-amino nitrogen atom on an α-carboxyl carbon atom of another amino acid