Calculate the length of the double standard DNA molecule of molecular weight 3×10 to the power 7?
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To find the length of the DNA multiple 0.34 × 10 to the power minus 9 with 3 × 10 to the power 9, you will get 1.02 meter, it is the length of DNA in human haploid cell. If you multiple 1.02 × 2 = 2.04 meter, it is the total length of DNA in human diploid cells.
There are about 3 billion nucleotides in human DNA. The average length of a human nucleotide is 0.6 nanometers, or 0.0000000006 meters, so human DNA is about 1.8 meters (5 feet) long.
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