Question

Which one is wrongly matched a. Adenine, thymin- purines b. Thymine, uracil-pyrimidine c. Uracil, cytosine-pyrimidine d. Guanine, adenine-purines

Answer 1

THE WRONGLY MATCHED IS a.Adenine,thymine-purines.

Explanation:

nitrogenous  bases are of two types which are purines and pyrimidines.

In which purines are of two types: adenine and guanine.

and pyrimidines are cytosine and thymine.

HENCE IN ABOVE PAIR THYMINE IS NOT PURINE.....

PLEASE MARK AS BRAINLIEST.......