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  • In an experiment, DNA is treated with a compound which tends to place itself amongst the stacks of nitrogenous base pairs. As a result of this, the distance between two consecutive base increases from 0.34nm to 0.44 nm

In an experiment, DNA is treated with a compound which tends to place itself amongst the stacks of nitrogenous base pairs. As a result of this, the distance between two consecutive bases increases from 0.34nm to 0.44 nm calculating the length of the DNA double helix (which has 2×109 bp) in the presence of the saturating amount of this compound.

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The length of the DNA double helix can be calculated by multiplying the distance between two consecutive base pairs with the total number of base pairs.

 0.44 X 10-9m X 2 X 109 bp = 0.88 m

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