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Which of the following is a purine?
Question
Which of the following is a purine?
A
Cytosine
B
Guanine
C
Thymine
D
Uracil
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Solution
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Correct option is B)
In DNA, the purine bases adenine and guanine form hydrogen bonds with their complementary pyrimidines, thymine, and cytosine, respectively. This is called as a complementary base pairing. So, guanine is a purine
So, the correct answer is '
Guanine'
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