DNA molecule structure model / Biological anatomical model

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Description

DNA molecule structure model

1, the double helix has a diameter of 20
2, pitch 34 and the spacing between adjacent base pair 3.4
3, poor adjacent bases in the direction of the 36 °
4, each screw run within 10 to the number of base pairs
5, the hydrogen bond length of 2.5 to 4.0
6. The width of major grovve and small grovve is about 20 and 14