The peptide bond is an amide linkage generated by eliminating the elements of water from the two amino acids so joined. Complete the statement by identifying the groups from which the three atoms of water are eliminated. and the other amino acid loses a One amino acid loses an oxygen and hydrogen atom from its hydrogen atom from its c-amino group c-carboxyl group, R group, R group c-carbon atom, c-carbon atom c-amino group a-carboxyl group