DNA: The Marvellous Molecule
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Its place in the story of life and evolution explained by means of models to cut out and glue together
Just as it is hard to describe a spiral staircase without using your hands, so it is difficult to understand the double helix without a three dimensional model. This one is easy to glue together and makes a fine mobile. There are other models to shed light on nucleo-tides, viruses and protein synthesis.