The adenine DNA molecule contains 15% of the total number of nitrogenous bases

The adenine DNA molecule contains 15% of the total number of nitrogenous bases. Determine the percentage of thymines, cytosines, guanines.

since adenine is complementary to thymine, therefore the amount of adenine is equal to the amount of thymine, that is, 15% each. in total, the amount of thymine and adenine is 30%, respectively, the sum of cytosine and guanine is 100% – 30% = 70%. Therefore, the amount of guanine and cytosine is 70% / 2 = 35%.



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