DNA isolated from human cheek cells was found to contain 21% guanine.What else is true about the base composition of this DNA sample?
A) It contains 79% cytosine.
B) It contains 79% adenine and thymine.
C) It contains 21% adenine,21% cytosine,and 21% thymine.
D) It contains 21% cytosine,29% adenine,and 29% thymine.
E) It is impossible to say anything specific about the percentages of adenine,cytosine,and thymine without further analysis.
Correct Answer:
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