CrystaAduddell CrystaAduddell

21-05-2015
Biology

contestada

The percentage of thymine in the DNA of an organism is approximately 30%. What is the percentage of guanine?
A. 70%
B. 30%
C. 40%
D. 20%

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lulu1991 lulu1991

21-05-2015

The answer is D. In DNA molecule, the thymine is paired with adenine. So the percentage of A equals to T, 30%. And guanine is paired with cytosine. The percentage of G and C are equal. So the percentage of G is 20%.

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