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jcortese151 jcortese151
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3 years ago
Which nitrogenous bases are considered purines?


thymine and cytosine


adenine and cytosine


thymine and adenine


adenine and guanine
Textbook 
Biology: Exploring the Diversity of Life

Biology: Exploring the Diversity of Life


Edition: 4th
Authors:
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ohyeah2222222ohyeah2222222
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3 years ago
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Just got PERFECT on my quiz
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