Questions
Which of the following biomolecules does have a phosphodiester bond?
a
Amino acids in a polypeptide
b
Nucleic acids in a nucleotide
c
Fatty acids in a diglyceride
d
Monosaccharides in a polysaccharide
detailed solution
Correct option is B
Phosphodiester bond is present between the nucleotides in a nucleic acid. In a nucleic acid a phosphate moiety links the 3’-carbon of one sugar of one nucleotide to the 5’-carbon of the sugar of the succeeding nucleotide. The bond between the phosphate and hydroxyl group of sugar is an ester bond. As there is one such ester bond on either side, it is called phosphodiester bond.Talk to our academic expert!
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