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Question
If a DNA has 20 Adenine and 30 cytosine bases. What will be the total number of purine bases in the given sample?
Options
20
50
30
100
Solution
50
explanation - Cytosine is purine base No. =30 (given)
Adenine is complementary to thymine which is a purine base
No. = 20 (given)
So, total no. Of purine bases =30 + 20 = 50
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