A scientist was testing the accuracy of Chargaff's rule. She noticed that a DNA molecule contains 40% adenine, what are the percentages of each of the other
nitrogenous bases?
O A. 20% cytosine, 20% adenine, 20% guanine
B. 20%thymine, 40% guanine, 40% cytosine
C. 40% thymine, 10% guanine, 10% cytosine
D. 40% uracil, 10% guanine, 10% cytosine