Which of the following are the purine nucleotides in DNA?
A.Adenine and thymine
B.Cytosine and guanine
C.Adenine and cytosine
D.Guanine and adenine
E.Thymine and uracil
A.Adenine and thymine
B.Cytosine and guanine
C.Adenine and cytosine
D.Guanine and adenine
E.Thymine and uracil