There are 20 million base pairs in the DNA of bacteria. How long is the DNA molecule of this virus?
| August 7, 2021 | education
A DNA molecule consists of two strands, each strand is formed by nucleotides. The nucleotides of the chains complement each other according to the principle of complementarity. This means that if there are 20 million nucleotides in the DNA of a bacterium and they form two chains, then each chain consists of 10 million nucleotides. The length of one nucleotide is approximately 0.34 nm, then the length of DNA is equal to the length of one chain, that is, 0.34 nm multiplied by 10 million.
0.34 x 10,000,000 = 3,400,000 nm.
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