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OpenStudy (anonymous):
Erwin Chargaff studied the DNA of organisms within a single species. Chargaff discovered that the amount of Guanine is about equal to the amount of Cytosine. Which of these explains why the ratio of Guanine to Cytosine is nearly 1:1? A. Guanine bases contain a form of Cytosine. B. Guanine and Cytosine pair with each other. C. Guanine and Cytosine are identical in chemical composition. D. Guanine binds with phosphates and Cytosine binds with nitrates.
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