The total mass of DNA in the body is 50.0 g. If the number of nucleotides...

The total mass of DNA in the body is 50.0 g. If the number of nucleotides in ONE STRAND of DNA is approximately 3.0 x 10⁶ , and the average length of a single nucleotide is 0.34 nm, what is the length (in km) of one strand of DNA when it is stretched out to its maximum length (not in a helix)?

Expert Solution

Given-

The average length of a single nucleotide = 0.34 nm

The number of nucleotides in ONE STRAND of DNA is approximately = 3.0 x10⁶

Length of one strand of DNA when it is stretched out to its maximum length = 0.34 nm x 3.0 x10⁶

= 1.02 x 10⁶ nm

1 nm = 10^-12Km

So, 1.02 x 10^6 nm = 1.02 x 10^6 x 10^-12Km = 1.02 x 10^-6Km

The length one strand of DNA when it is stretched out to its maximum length = 1.02 x 10^-6Km

queen_honey_blossom answered 1 year ago

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