Biomolecules and Chemistry in Everyday Life 1 Question 18
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20. Which one of the following bases is not present in DNA?
======= ####20. Which one of the following bases is not present in DNA?
3e0f7ab6f6a50373c3f2dbda6ca2533482a77bed (a) Quinoline
(b) Adenine
(c) Cytosine
(d) Thymine
(2014 Main)
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Solution:
- Quinoline is an alkaloid, it is not present in DNA. DNA has four nitrogen bases in adenine, guanine, cytosine and thymine.
