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Double helix

The 3D structure of DNA, the chemical that encodes genetic information. Two strands of DNA stick together into a 'twisted zip' structure, in which pairs of chemical bases (A-T and C-G) make up the teeth of the zip.

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Mutant Scum
2 July 2009 7.45pm Pleasance Cabaret Bar, 60 The Pleasance, Edinburgh EH8 9TJ, UK
A night of literary mayhem featuring original stories that give the double helix an extra twist...