Illustrate a glycosidic, peptide and a phospho-diester bond.

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Solution

(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.

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Similar questions

(i) Select an appropriate chemical bond among ester bond, glycosidic bond, peptide bond hydrogen bond and write against each of the following.

(a) Polysaccharide

(ii) (b) Protein

(iii) (c) Fat

(iv) (d) Water

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