This detailed model aids understanding of the chemistry and structure of DNA.
Building the DNA model engages and educates students. Groups can work together to make up the subassemblies – 15 Thymine-Adenine and Cytosine-Guanine base pairs, sugar rings and phosphate groups – which are joined together to make one and a half turns of the double helix and to show the major and minor grooves of the protein lysozyme.
Each atom is shown, colour-coded, with the correct bonding angle and coloured bonds indicate covalent or hydrogen bonding.
Constructed using the Minit molecular modelling system, the finished model is 1m high and 42cm wide and can be suspended from a suitable hook.
The kit contains 880 atoms and 1200 bonding straws, support plates for hanging the model plus assembly instructions and a worksheet.
Part and fully assembled versions are also available.
- Overview of Orbit, Minit and Unit Systems
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