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Biology 8 Online
OpenStudy (anonymous):

Adenine, guanine, cytosine, and thymine are the four nitrogenous bases present in the DNA of all organisms. This was discovered by which scientist?

OpenStudy (anonymous):

Adenine and guanine are purine rings. Cytosine and Thymine are pyrimidine ring, which is first discovered by "Swiss doctor Friedrich Miescher"

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