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CBSE-XI-Biology

09: Biomolecules

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  • #2
    Illustrate a glycosidic, peptide and a phospho-diester bond.
    Ans : (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.