(a) Glycosidic bond is formed normally between carbon atoms, 1 and 4, of neighbouring monosaccharide units.
(b) Peptide bond is a covalent bond that joins the two amino acids by – NH – CO linkage.
(c) Phosphodiester bond is a strong covalent bond between phosphate and two sugar groups. Such bonds form the sugar phosphate backbone of nucleic acids.
