
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Transcribed Image Text:**Question:**
If a DNA genome contains 22% T, what percent of C is present?
**Options:**
- 28
- 44
- 22
- 56
**Explanation:**
In DNA, the percent of thymine (T) is equal to the percent of adenine (A) due to base pairing rules. If T is 22%, then A is also 22%. The remaining 56% of the DNA is split equally between cytosine (C) and guanine (G), since they also pair together.
So, C = G = 56% / 2 = 28%
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