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Questions and Answers
Which bacterial species can grow on alkaline peptone water?
Which bacterial species can grow on alkaline peptone water?
Which bacterium is known to exhibit the swarming phenomenon?
Which bacterium is known to exhibit the swarming phenomenon?
On which medium does E. coli appear as green shining colonies?
On which medium does E. coli appear as green shining colonies?
The mucoid appearance of Klebsiella colonies is due to the production of which substance?
The mucoid appearance of Klebsiella colonies is due to the production of which substance?
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Which bacterium is known as a non-lactose fermenting enteric bacterium?
Which bacterium is known as a non-lactose fermenting enteric bacterium?
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Study Notes
Bacterial Characteristics and Diagnosis
- Vibrio bacterial species can grow on alkaline peptone water.
- The Catalase test detects bacteria possessing Cytochrome C.
- Proteus is a bacterium known to exhibit the Swarming phenomenon.
- E. coli appears as green shining colonies on EMB agar.
Bacterial Sampling and Toxins
- A Swab is used to collect throat and nasopharynx samples.
- Botox toxin is extracted from Clostridium botulinum (not Clostridium potulinum).
- Klebsiella colonies have a mucoid appearance due to the production of a Capsule.
Bacterial Identification
- Proteus is a non-lactose fermenting enteric bacterium.
- Staphylococci are not gram-negative diplococcic bacteria (Neisseria are).
- Pseudomonas bacteria produce exopigments.
Bacterial Diagnosis Methods
- Various methods are used for bacterial diagnosis, including:
- Biochemical tests (e.g., Catalase test)
- Cultural characteristics (e.g., growth on specific media, colony morphology)
- Microscopy (e.g., gram staining)
- Toxin detection (e.g., Botox toxin)
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Description
Multiple choice questions on microbiology covering bacterial species, growth, tests, and more.
