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if a strand of DNA has 0.1mm length, what will be the ratio of length to diameter 500 50 50,000 5000

if a strand of DNA has 0.1mm length, what will be the ratio of length to diameter
  1. 500
  2. 50
  3. 50,000
  4. 5000

Grade:12

1 Answers

Gaurav
askIITians Faculty 164 Points
6 years ago
Hello Student
Correct Answer is 3. 50,000
0.1mm = 105nm
as we know diameter of DNA is = 2nm
Axial Ratio =
105
2 x 109
10-5= 50000nm

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