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Standard XII
Biology
Genetic Material
Question
B-DNA which is right-handed double helix contains ______ base pairs per turn of the helix and each turn is _______ long.
10, 3.4
˚
A
10, 34
˚
A
11, 20
˚
A
11, 34
˚
A
A
11, 34
˚
A
B
11, 20
˚
A
C
10, 3.4
˚
A
D
10, 34
˚
A
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Solution
Verified by Toppr
B-DNA is the most commonly found form of DNA in nature. This form of DNA is very narrow and elongated.
B-DNA contains 10 base pairs per turn and each turn is about 34
Å long.
So, the correct answer is '10, 34
Å'
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