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In a polynucleotide chain of DNA, a nitrogenous base linked to the -OH of:

Option: 1

3'C pentose sugar


Option: 2

5'C  pentose sugar


Option: 3

1'C pentose sugar


Option: 4

2'C pentose sugar


Answers (1)

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  • Nucleotide is the monomer that forms DNA molecule
  • It consists of Phosphorus + Pentose sugar + Nitrogen Base 
  • Nitrogen bases can be Purines (Double rings) or Pyrimidines  (Single ring)  
  • These nitrogen bases are attached to the sugar at 1C
Posted by

Ritika Jonwal

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