The DNA alpha-helix structure has 566900 complete turns. The average molar mass of one base pair of nucleotides in DNA is approximately 469 g/mol. If the spacing between successive base pairs is about 0.69 nm, and a complete turn in the helical structure of DNA occurs every 6.9 nm, calculate molar mass of DNA molecule. [Answer: 2.66 x 10^9 g/mol]
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Yuh