1 Answer
Solution :-
The illustration of peptide, glycosidic and phosphodiester bonds are given below.
• Peptide bond: Amino acids in a protein are linked by Peptide bonds. Correspondingly, the proteins are called a polypeptide. Peptide bonds are formed when the carboxyl group of one amino acid reacts with the amino group of the next amino acid with the elimination of a water molecule. As water molecule is eliminated so the reaction is that of dehydration
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• Glycosidic bond: Glycosidic bonds are bonds linking the individual sugar units (monosaccharides) in a disaccharide or a polysaccharide. When two sugar units join, they join with the help of a glycosidic linkage with the release of a water molecule.
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• Phosphodiester bond: Phosphodiester bonds link individual nucleotides in a nucleic acid. So, we say DNA (a nucleic acid) is a polynucleotide. A phosphodiester linkage is formed due to the linking of a 3'carbon of one sugar of a nucleotide with the 5' carbon of the sugar of an adjacent nucleotide by a phosphate moiety. The bond among the phosphate and hydroxyl groups of sugar is an ester bond. It is a phosphodiester bond as there is one such ester bond on either side.
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