Metabolic end products of carbohydrate fermentation

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Questions

1. In a bacterial carbohydrate fermentation test, if the medium changes turns a yellow color and a gas bubble is observed in the Durham tube, please explain what these results mean about that particular bacterium.

2. The IMViC tests are used in the identification/differentiation of members of the family ________________.

3. The _______ test is performed in sulfide-indole-motility (SIM) medium.

4. Both the __________ and __________ tests are done in methyl red-Voges-Proskauer (MR-VP) broth, but the reagents that are added varies according to the tests.

5. A positive citrate result is indicated by growth and a ______ color change.

6. The metabolic end products of a carbohydrate fermentation can either be organic acids, or organic acid and gas. List one of these organic acids and one gas.

7. Fermentative degradation/breakdown of carbohydrates by microorganisms under anaerobic condition is carried out in the fermentation tube, which contains a Durham tube for the detection of the ______ production.

Reference no: EM133518773

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