The average molar mass of one base pair of nucleotides
The average molar mass of one base pair of nucleotides in DNA is approximately 600 g/mol. The spacing between successive base pairs is about 0.34 nm, and a complete turn in the helical structure of DNA occurs about every 3.4 nm. If a DNA molecule has a molar mass of 4.5 X 109 g/mol, approximately how many complete turns exist in the DNA α-helix structure?
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