Author Question: Which of the following are nitrogenous bases of the purine type? A) cytosine and (Read 891 times)

camila

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Which of the following are nitrogenous bases of the purine type?
A) cytosine and guanine
B) guanine and adenine
C) adenine and thymine
D) thymine and uracil
E) uracil and cytosine



Jesse_J

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Try this as the answer B. Hope it helps.



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