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Byju's Answer
Standard XIII
Chemistry
DNA
Which one of ...
Question

Which one of the following bases is not present in DNA?

A
Quinoline
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B
Adenine
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C
Cytosine
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D
Thymine
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Solution

The correct option is A Quinoline
Quinoline is an alkaloid, it is not present in DNA. DNA has four nitrogen bases in adenine, guanine, cytosine and thymine.

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