Pyrimidine bases present in DNA are___________


Pyrimidine bases present in DNA are cytosine and thymine.

What is Nucleotide?

A nucleotide is an organic molecule with a basic composition of a nitrogenous base, pentose sugar and phosphate. DNA and RNA are polynucleotides, which contain a chain of nucleotides monomers with different nitrogenous bases.  A nucleotide consists of three units, which are covalently linked. They are:

  1. Nitrogenous bases – Purine and Pyrimidine
  2. Pentose Sugar – Ribose and Deoxyribose
  3. Phosphate – monophosphate, diphosphate, triphosphate

Nitrogenous bases contain purine or pyrimidine base. DNA contains adenine (A), guanine (G), thymine (T) and cytosine (C), whereas RNA contains adenine, guanine, uracil (U) and cytosine.



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