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NTA Abhyas NEET2020ChemistryBiomoleculesPractice

Which one of the following base in not present in DNA?

Options

  1. Aadenine
  2. Bcytosine
  3. Curacil
  4. Dthymine

Correct answer

C. uracil

Step-by-step solution

DNA contains four bases viz adenine (A), guanine (G), cytosine (C) and thymine (T). RNA also contains four bases, first three bases are same as in DNA but the fourth one is uracil (U).

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