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OpenStudy (anonymous):
which bases of dna are purines which are pyrimidines and how are they different
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OpenStudy (anonymous):
Purines : AG Pyrimidines : UTC Purines have a cyclic eight carbon structure while Pyrimidines have cyclic six carbon structure.
OpenStudy (muneefa):
Dna contain Adenine ,Guanine ,cytosine,Thymine.Adenine and Guanine are purines. cytosine and Thymine are pyrimidines.
OpenStudy (muneefa):
ya he is correct about the structure but Dna does not contain Uracil.
OpenStudy (anonymous):
@Muneefa Yes Uracil is only found in RNA ... thks Muneefa for correcting me
OpenStudy (muneefa):
@MistakesOver its my pleasure...and you can correct me if i do any mistakes
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OpenStudy (anonymous):
thanks guys! @MistakesOver & @Muneefa
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