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New Light on Cells' Ability to Follow Saturday, October 04, 2008 - Anuradha Menon Home >> Headlines >> Biology   
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Scientists have long known that single-cell organisms find their way around by detecting chemicals in their surroundings. Now new research out this week in the Proceedings of the National Academy of Sciences (PNAS) journal has shown how accurately cells are able to do this. Organisms such as bacteria, amoeba, yeast cells and human immune cells need to be able to 'see' how the concentration levels of important chemicals vary in their immediate surroundings. (source: www3.imperial.ac.uk)
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