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mikael mikael
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12 years ago
Explain why one cell of a pathogenic bacterium by itself typically does not secrete a toxin, despite the species as a whole being characterized as toxin producing.
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12 years ago
One pathogenic bacterium is unlikely to be able to produce a sufficient number of toxin molecules to cause a disease. If one cell did this by itself in a human, it would likely be killed off quickly by the immune system. Once the bacterium grows to a sufficient quantity that it can cause disease through the production of toxins, coordination of toxin production by the population is performed in the example of quorum sensing.
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