Packaging of DNA helix

Asked by Riya Raj · 5 years ago

If the length of E.coli DNA is 1.36mm,can you calculate the no of bp in E.coli?

2 Answers

4 * 10 to the power 6

Bhavya Kandoi · 5 years ago

The distance between two consecutive base pairs in a double helix DNA is 0.34 X 10 − 9m. The total length of double helix DNA in an organism can be calculated by multiplying the total number of base pairs with distance between two consecutive base pairs Total length of double helix DNA = total number of base pairs X distance between two consecutive bp 1.36mm = x X 0.34 X 10 − 9m by solving this we get, x = 4 X 10 6 bp So the number o base pairs in a DNA of E.Coli o 1.36mn is 4 X10 6 bp

Mani Gupta · 5 years ago

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