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Nature 393, 18-21 (7 May 1998) | doi:10.1038/29881
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Bacterial chemotaxis: United we sense ...
Biological systems show remarkably sensitive responses to a wide range of environmental signals. The visual system, for example, can be excited by a single photon, yet can also detect contrasts over a 10,000-fold range of light intensities.
- N. Barkai and S. Leibler are in the Departments of Physics and Molecular Biology, Princeton University, Princeton, New Jersey 08544, USA.
e-mail: Email: barkai@phoenix.princeton.edu
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