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Calculate the percent of base present in DNA

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If cytosine makes up 22% of the nucleotides in a sample of DNA from an organism, then adenine would make up what % of the bases.

A) 22 B) 44 C) 28 D) 56

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Solution Preview

DNA is made up of four nitrogen bases: Adenine (A), Guanine (G), Cytosine (C), and Thymine (T). Each deoxyribonucleotide will contain one of these four bases. Adenine and guanine are also known as purine bases; cytosine and thymine are also called pyrimidine bases.It is always a rule that A pairs with T and C pairs with G. Therefore, in any DNA molecule, ...

Solution Summary

DNA is made up of four nitrogen bases: Adenine (A), Guanine (G), Cytosine (C), and Thymine (T). Each deoxyribonucleotide will contain one of these four bases. Adenine and guanine are also known as purine bases; cytosine and thymine are also called pyrimidine bases. It is always a rule that A pairs with T and C pairs with G.

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