BiomoleculesHard

Question

Adenine is

Options

A.purine
B.pyrimidine
C.nucleoside
D.nucleotide

Solution

Nitrogen bases are of two types-purines and pyrimidines. Purines are 9 membered double ring nitrogen bases which possess nitrogen at 1, 3, 7 and 9 positions, eg, adenine (A), guanine (g) . Pyrimidines are 6- membered nitrogen bases that contain nitrogen at 1 and 3 positions, eg, cytosine (C), thymine (T), uracil (U).

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