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NEET Biology question

BiologyMolecular Basis of InheritanceNEET

In a double helix of DNA molecule of 10 coils, if there are 30 adenine nitrogen bases, what is the number of guanine nitrogen bases?

Answer: (C)

Solution

B-DNA has 10 base pairs per turn, so 10 coils = 100 base pairs = 200 bases. Since A = T = 30 each,

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Question ID VK-111477