English literature - Student Encyclopedia (Ages 11 and up) The writers of the British Isles, including England, Scotland, and Wales, have produced a great wealth of literature. The language in which English literature is written has evolved over hundreds of years and is still changing.
The indole test is a component of the IMViC series of tests, which is used for differentiating the Enterobacteriaceae. The motility test is useful for testing a wide variety of organisms. As a whole, the SIM test is primarily useful for differentiating Salmonella and Shigella.
if indole isn t present there will be no color change the presence of indole means that the bacteria produces tryptophanase an enzyme which breaks down tryptophan into smaller components one of which being indole the motility aspect of the test is done by checking the medium for turbidity or fuzzinessif the medium has become fairly turbid throughout the medium then the bacteria is motile if the medium is clear and the only turbid appearance is in the stab line then the bacteria is non motilef indole isn t present there will be no color change the presence of indole means that the bacteria produces tryptophanase an enzyme which breaks down tryptophan into smaller components one of which being indole the motility aspect of the test is done by checking the medium for turbidity or fuzziness