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Biological Environment > Life |
This site tells the story of the history of the universe. Click Earlier and Later to follow the story. Note: Many facts have been simplified to make them easier to understand. |
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Life is a chemical system involving two types of molecules, proteins and nucleic acids, working together in a very special way. First we will look at these two types of molecule in turn. Next we will look at how they work together to make life. Then, when we know a little about what life is, we will think about how this beautiful chemistry might have started. | |
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Biological Environment > Life |
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Basic Information |
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