NEET Botany Molecular Basis of Inheritance Questions Solved

The length of DNA has 45000 base pairs. How many complete turns will the DNA molecule take?

(a) 45000             (b) 450                 (c) 4500                (d) 45

According to Watson and Crick model of DNA, DNA exists as a double helix.

The two chains are coiled in a right-handed fashion. There are roughly 10

Base pairs in each turn so length of DNA with 45000 bp will take 4500

turns in a DNA molecule.


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