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NTA Abhyas NEET2020ChemistryBiomoleculesPractice

The bond present between two nucleotides is known as

Options

  1. APhosphoester linkage
  2. BPhosphodiester linkage
  3. CGlycosidic linkage
  4. DPeptide linkage

Correct answer

B. Phosphodiester linkage

Step-by-step solution

In a polynucleotide, two nucleotides are joined by phosphodiester bond which is formed between 3' OH of first nucleotide and 5' PO 4 -3 of second nucleotide. Thus a polynucleotide chain consist of two free ends, 5' PO 4 -3 and 3' OH.

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