Kelvi

If the distance between two consecutive base pairs is $0.34$ nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is $6.6 \times 10^9$ bp, then the length of the DNA is approximately:

medium

Molecular Basis of Inheritance

2020

biology

$2.5$ meters

$2.2$ meters

$2.7$ meters

$2.0$ meters

Explanation

To solve this problem, we need to calculate the length of the DNA based on the given distance between base pairs and the total number of base pairs. $\newline \bullet$ The distance between two consecutive base pairs is given as $0.34$ nm. $\newline \bullet$ The total number of base pairs in a typical mammalian cell is $6.6 \times 10^9$

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If the distance between two consecutive base pairs is 0.34 0.34 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6×109 6.6 \times 10^9 6.6×109 bp, then the length of the DNA is approximately:

Explanation

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If the distance between two consecutive base pairs is $0.34$ nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is $6.6 \times 10^9$ bp, then the length of the DNA is approximately: