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Biomolecules
Question
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The 3' 5'  phosphodiester linkages inside a polynucleotide chain serve to join

  • one DNA strand with the other DNA strand

  • one nucleoside with another nucleoside

  • one nucleotide with another nucleotide

  • one nitrogenous base with pentose sugar

Answer

C.

one nucleotide with another nucleotide

In a polynucleotide chain 3'-5' phosphodiester bond is formed between carbon 3 of one nucleotide and carbon 5 of the other nucleotide, ie it serves to join one nucleotide with another nucleotide in a polynucleotide chain.

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