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1. How do you know that an organism has the gelatin enzyme?
2. What is the source of urea in an animalâs body?
3. If you placed an inoculated tube that tested positive for gelatinise in ice, describe what would happen inside the tube?
4. What would you find in the liquid of hyrdolyzed gelatin?
5.Urease is an enzyme. What is itâs substrate and the products it produces? Describe the pH change in this reaction.
6. Heliobacter pylori bacteria grow in the human stomach. These bacteria produce a large aMount of of urease. Of what value is this urease to Heliobacter?
1. How do you know that an organism has the gelatin enzyme?
2. What is the source of urea in an animalâs body?
3. If you placed an inoculated tube that tested positive for gelatinise in ice, describe what would happen inside the tube?
4. What would you find in the liquid of hyrdolyzed gelatin?
5.Urease is an enzyme. What is itâs substrate and the products it produces? Describe the pH change in this reaction.
6. Heliobacter pylori bacteria grow in the human stomach. These bacteria produce a large aMount of of urease. Of what value is this urease to Heliobacter?
Keith LeannonLv2
7 Nov 2018
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. |
