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| Johnkyrk.com - http://www.johnkyrk.com/DNAanatomy.html Animated overview of DNA structure. - [Read more] |
| AccessExcellence.org - http://www.accessexcellence.org/AE/AEC/CC/DNA_structure.html The structure of the DNA molecule. Working with nucleotide models made of wire, Watson and Crick attempted to put together the puzzle of DNA structure in such a way that their model would account for the variety of facts that they knew described the molecule. - [Read more] |