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Question

Which of the following is a unit of nucleic acid?
  1. Phosphoric acid
  2. Nitrogenous bases
  3. Pentose Sugar
  4. Nucleotides

A
Nitrogenous bases
B
Pentose Sugar
C
Phosphoric acid
D
Nucleotides
Solution
Verified by Toppr

Nucleic acids are polymers of nucleotides. Nucleotides are joined with the help of phosphodiester bonds to form single strand of nucleic acids. The nucleotides are phosphoric acid esters of nucleosides.
So, the correct answer is option D.

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