Micro ch 11
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Identify three nitrogen-fixing bacteria
Organism that produces plant disease called crown gall
Organism that causes whooping cough (pertussis)
Organism that causes conjuncitvitis (pinkeye).
Organism that causes Gonorrhea.
A gram negative aerobic rod that secretes a soluble blue-green pigment (pyocanin), and clinically often causes burns and urinary tract infections.
Disease caused by Helicobacter pylori.
human peptic ulcers
A spiral-shaped organisms that produce foodborne intestinal disease in humans
A spiral-shaped organism that causes Lyme disease.
What is meant by the term "enteric opportunist".
intestinal infection in the allready ill or compromised
How are gram negative enteric opportunists distinguished from one another?
cultural morphology and metabolic products
Identify 3 biological toxins produced by Staphylococcus aureus.
enterotoxin, leukocyte, tissue necrosis toxin
Gram possitive cocci, which usually grows in chains.
Organism that causes 70% of all human pneumococcal pneumonia
Identify 3 types of hemolytic reactions that occur on blood agar plates.
Identify 2 genuses of Gram positive spore-forming rods.
Identify the organism that produces
Grangrene and food poisoning
- Clostridium tetani
- Clostridium botulism
- Clostridium perfringens
Establish the identity of Gram positive rod shaped bacteria used to produce yogurt, sauerkraut and buttermilk.
What kind of symptoms results from infections with Listeria monocytogenes?
- General flu-like symptoms for adults
- Minenigitis in newborns
Identify the non-spore forming gram positive rods that produces disease diptheriae.
Identify the Gram positive, acid fast bacteria that cause:
- Mycobacterium leprae
- Mycobacterium tuberculosis
Identify the bacteria that are anaerobic and photosynthetic that oxidize H2S instead of H2O.
purple and green sulfer bacteria
Identify a group of bacteria which are photosynthetic, able to fix nitrogen and found in lakes and streams.
Organism which causes typhoid fever.
Identify the species of bacteria that causes shigellosis (bacillary dysntery)
Identify the organism that cuases cholera.
Name a red-pigmented organism that is often implicated in nosocomial urinary and respiratory tract infections.
Identify the organism which recquires blood factors (X and V factor) for growth in culture. It causes meningitis in children.
What are the two groups of bacteria which are obligate intracellular parasites
What is the bacteria that causes Rocky Mountain Spotted Fever?
How are rickettsail diseases usually transmited?
What are the primary ways that Chlamydia are transmitted?
Briefly list the six steps of the Chlamydia life cycle.
- 1. Elementary forms attaches to host cells.
- 2. Host cell phagocytizes
- 3. Reticulate body formed
- 4. multiple reticulate bodies fromed
- 5. Reticular bodies converted to elementary bodies
- 6. Elementary bodies are released
Identify the organism that causes venereal disease lymphogranuloma vernereum.
Identify the bacterial group that have no cell wall. (not L-forms!).
What is the name of the disease is caused by Mycoplasma pneumonia?
primary atypical pneumonia
Gram positive organisms which occur in grape-like clusters, have golden-tan colonies, and can tolerate high osmotic pressure.
What organism causes symphillis?
What disease is caused by Leptospira interrogans?
What enteric Gram negative bacteria exhibits swarming growth that produces concentric rings on an agar plate?
Which species of bacteria causes strep throat and rheumatic fever?
Steptococcus mutans is known for causing what problem?
What bacteria reproduce by budding?
Name three gliding bacteria.
Give the names of 2 Archeobacteria and the extreme enivronmental conditions that they inhabit.
- Thermus acquaticus- opitmal growth >80 C
- Halobacterium- high salt concentration
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