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12 Dec 2019
true or false: if the bacteria produces tryptophanase enzyme, compartment 4 will turn pink after incubation
true or false: if the bacteria produces tryptophanase enzyme, compartment 4 will turn pink after incubation
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Related textbook solutions
Related questions
1. Helicobacter pylori, a pathogen of the stomach,produces a powerful urease. Why might urease be a useful enzyme forthis microbe?
2. T/F If two different tests can be done in MRVP medium, youshould add the methyl red (MR) and Voges-Proskauer (V-P) reagentsto the same tube.
3. After incubation, a citrate test for Escherichiacoli is green. What is the best explanation for thisresult?
4.Select the appropriate statements regarding the decarboxylasetests.
| Only one type of decarboxylase is present in the medium. | |
| Sterile mineral oil should be added to prevent artificialalkylation of the media�s surface. | |
| The test organism is inoculated into the tube by stabbing theagar. | |
| During the early stages of incubation, the medium will appearyellow; if the targeted decarboxylase is present, the medium willgradually turn purple. | |
| During the early stages of incubation, the medium will appearpurple; if the targeted decarboxylase is present, the medium willgradually turn yellow. | |
| The test organism is inoculated into the tube by adding a fewdrops of an isolate. | |
| Proteins are not present in the test media, it is simplysupplemented with a specified amino acid. |
