How may base pairs are present in one full turn of dna helix?
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10 - 10.5 (Approx.)* base pairs are present in one full turn of dna helix.
*Approximately (Not Exactly)
*Approximately (Not Exactly)
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10 base pairs are present in each full turn of the DNA double helix.
The bases are nearly perpendicular to the helix axis, and adjacent bases are separated by 3.4 . The helical structure repeats every 34 , so there are 10 bases (= 34 per repeat/3.4 per base) per turn of helix. There is a rotation of 36 degrees per base (360 degrees per full turn/10 bases per turn)...
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