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Author Question: Which of the following are nitrogenous bases of the purine type? A) cytosine and (Read 892 times)

camila

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on: Jun 5, 2013
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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Reply #1 on: Jun 6, 2013
Try this as the answer B. Hope it helps.


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camila

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Reply #2 on: Jun 6, 2013
Thx! :D


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