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Question
According to Watson and Crick model __ base pairs are present in each turn of helix.
According to Watson and Crick model __ base pairs are present in each turn of helix.
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Solution
The correct option is C 10
In B – DNA each strand appears like a helical staircase. Each step of ascent is represented by a pair of bases. At each step of ascent, the strand turns 36o. One full turn of the helical strand would involve ten steps or ten base pairs.
In B – DNA each strand appears like a helical staircase. Each step of ascent is represented by a pair of bases. At each step of ascent, the strand turns 36o. One full turn of the helical strand would involve ten steps or ten base pairs.
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