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microbio quiz 4
| Question | Answer |
|---|---|
| CTA-L is a ______ that tests ___________. ____________ indicates a positive test | deep; lactose fermentation; yellow |
| urease test uses _______________ to test for ___________________ and ______ is positive | urease broth; the presence of urease; pink |
| MacConkey's (MAC) is a __________ that tests for ______________. A positive test is _______ | plate; lactose fermentation; pink |
| Eosin methylene blue (EMB) is a _________ that tests for ______________________. | plate; lactose fermentation |
| a positive test with strong fermentation for EMB has | dark colonies and a metallic sheen |
| indole test uses ______________ to test for ____________ | SIM deep; the production of indole from tryptophan |
| indole test uses ____________ reagent and a positive test is ____ | kovac's; red |
| methyl red tests for | an acidic end product from fermentation |
| methyl red medium and reagents | MR-VP broth; Methyl red |
| methyl red positive result is | red |
| Voges proskauer (VP) tests for | a neutral end product |
| VP test uses the reagents | VP reagents A and B, creatine |
| citrate test tests for the | ability to use citrate as a carbon source |
| citrate test uses the medium | simmons citrate agar SLANT |
| inositol fermentation positive test is | yellow |
| lysine ion agar tests what three things | lysine decarboxylation, lysine deamination, and H2S production |
| Lysine Ion Agar test results | yellow = A purple = K red = R black = positive for H2S |
| oxidase test strip tests for | the presence of cytochrome oxidase |
| urease test uses ______________ to test for ________ | urease broth; the presence of urease |
| Lysion Ion Agar (LIA) is a | slant |