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Home » The pitch angle of deflection between two successive base pairs in DNA double helix is A) 20° B) 34° C) 36° D) 360°
The pitch angle of deflection between two successive base pairs in DNA double helix is A) 20° B) 34° C) 36° D) 360°
biology | Biology
The pitch angle of deflection between two successive base pairs in DNA double helix is A) 20° B) 34° C) 36° D) 360°

Correct option:(C)36°

Solution:

  • DNA in humans is a double helix.
  • Pitch is the number of base pairs in one complete turn of the helix.
  • There are 10 base pairs in 1 complete turn and the distance between 2 bases is 0.34nm.
  • Deflection between two successive base pairs has a pitch angle of 36 degree.

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