| http://www.w3.org/ns/prov#value | - These are not exactly the most robust Salmonella you will ever see (but robust Salmonella would laugh at most of our test chemicals, which would not be too informative.)There are a number of different ways to run the test, but they all come down to this: you expose your bacteria to the test substance, and try to grow them without their required histidine.
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