What is nitrogen base of DNA ? Please explain in detail and in very simple language?
Nitrogen-base is an organic molecule with a nitrogen atom that has the chemical properties of a base. In reference to genetic material, they are of two kinds
purines and pyrimidines.
(a) Guanine (b) Adenine
(a) Cytosine (b) Thymine (c) Uracil
purines have a double ring whereas pyrimidines have a single ring.