Is cytosine a purine or a pyrimidine? How can you tell?
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1 Answer
Dec 16, 2014
Cytosine is a pyrimidine. Just remember the "CUT the Py" (Cut the pie) for Pyrimidine = CUT (Cytosine, Uracil and Thymine respectively). "PURe things are All Good" for Purine = All Good (Adenine and Guanine). Hope this helps.
