Compounds that contain a nitrogenous base, a sugar, and a phosphate group are called (i)_______. The nitrogenous bases that bind to the sugar are of two types;(ii)______and (iii)______, and they are linked to the sugar through (iv)______ bond.
(i) Nucleotides (ii) Pyrimidines (iii) Purines (iv) N-glycosidic bond