Question

which bases of dna are purines which are pyrimidines and how are they different

Answer 1

Purines : AG
Pyrimidines : UTC

Purines have a cyclic eight carbon structure while Pyrimidines have cyclic six carbon structure.

Answer 2

Dna contain Adenine ,Guanine ,cytosine,Thymine.Adenine and Guanine are purines. cytosine and Thymine are pyrimidines.

Answer 3

ya he is correct about the structure but Dna does not contain Uracil.

Answer 4

@Muneefa Yes Uracil is only found in RNA ... thks Muneefa for correcting me

Answer 5

@MistakesOver its my pleasure...and you can correct me if i do any mistakes

Answer 6

thanks guys!
@MistakesOver & @Muneefa