Bacteria for Lab Practical 1

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medic11
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205121
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Bacteria for Lab Practical 1
Updated:
2013-03-11 14:27:24
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BI 301
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Bacteria cards
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  1. What family codes E. coli belong to?
    Enterobacteriaceae
  2. What phylum does E. Coli belong to?
    Proteabacteria
  3. E. coli is a ___ anaerobe that is ___ sporulating.
    • Facultative
    • Non
  4. What shape is E. coli?
    Bacillus
  5. What is E. coli's temp preference?
    37 degrees C
  6. What is the Gram status of E. coli?
    Negative
  7. Where is E. coli most often found?
    In the lower intestine of warm blooded organisms
  8. E.coli is transmitted fr host to host via what means?
    Fecal/oral thru food or water
  9. What is a normal incubation time for E. coli?
    6-48 hrs
  10. What are the S&S of an E. coli related illness?
    NVD, cramps, fever
  11. What are 2 important ways to prevent the spread of E. coli?
    Careful hygiene and attn to food and water
  12. Most strains of E. coli are ___ however some can cause ___ ___.
    • Harmless
    • Food poisoning
  13. Harmless E. coli strains are of what in the gut?
    Normal flora
  14. Micrococcus luteus belongs to what family? 
    Micrococcaceae
  15. What phylum does Micrococcus luteus belong to?
    Actinobacteria
  16. What are the oxygen requirements of M. luteus?
    Obligate aerobe
  17. Which bacteria forms bright yellow colonies when grown on nutrient agar?
    Micrococcus luteus
  18. M. luteus has a ___ shape and is arranged in ____.
    • Spherical
    • Tetrad
  19. What bacteria that we have studied grow best at 37 degrees C?
    • E. coli
    • M. luteus
  20. M. luteus is a Gram- ___ bacteria.
    Positive
  21. M. luteus is found in what 4 places as well as a normal part of what?
    • Soil, dust, water, air
    • Flora in mammalian skin
  22. M. luteus forms colonies in what 4 places?
    • Mouth
    • Mucosae 
    • Oropharnyx
    • URT
  23. Micrococcus luteus was formerly known as ___ ___.
    Micrococcus lysodeikticus
  24. Bacillus cereus belongs to what family?
    Bacillaceae
  25. Bacillus cereus belongs to what phylum?
    Firmicutes
  26. The oxygen requirements of B. cereus classify it as a ___ ___.
    Facultative anaerobe
  27. B. cereus is ___ shaped.
    Bacillus
  28. The growth temp range for Bacillus cereus is __ - __ degrees C.
    10 - 50
  29. B. cereus is a Gram - ___ bacteria.
    Positive
  30. B. cereus bacteria can be located in ___.
    Soil
  31. The incubation time of diarrheal type B. cereus is ___ hrs and ___ hrs for the emetic strain.
    • 8 - 16.5 hrs
    • 1 - 5 hrs
  32. A bacterial infection of B. cereus causes what symptoms?
    NVD
  33. What are 2 methods to prevent a B. cereus infection?
    • Cook foods to >100 degrees C
    • Proper refrigeration
  34. What is a slang name for Bacillus cereus and why?
    "Fried rice revenge" b/c it often develops on rice that has cooled and remains out of refrigeration
  35. In extreme environments, what does Bacillus cereus do to survive?
    Sporulates
  36. Enterococcus faecalis belongs to the ___ family and the ____ phylum.
    • Enterococceae
    • Firmicute 
  37. The oxygen requirement of E. faecalis is ___ ___.  
    Facultative anaerobe
  38. E. faecalis (is/isn't) motile.
    Isn't
  39. Enterococcus faecalis has a ___ shape arranged in ___ or ___.
    • Cocci
    • Diplococcus or Streptococcus
  40. The preferred range of growth temp for E. faecalis is what?
    10 - 45 degrees C
  41. E. faecalis is a Gram- ___ bacteria.
    Positive
  42. What are 5 places where Enterococcus faecalis bacteria can be found?
    • GI tract
    • Root canal tx teeth
    • Soil
    • Water
    • Plants
  43. E. faecalis bacteria most often enter the body in the ___ setting.
    Hospital
  44. What are 4 S&S of an Enterococcus faecalis infection?
    • Endocarditis 
    • bacteremia
    • UTI
    • Meningitis
  45. Enterococcus faecalis was formerly part of the ___ family.
    Streptococcus
  46. E. faecalis is able to endure periods of ____ ___ and is often resistant to many common ___.
    • Nutritional deprivation
    • Antimicrobials
  47. E. faecalis is neg for ___ when H2O2 is applied.
    Catalase
  48. Pseudomonas fluorescens belongs to the ____ family and the ___ phylum.
    • Pseudomonadaceae
    • Proteobacteria
  49. The oxygen requirement for P. fluorescens is ___ ___.
    Obligate aerobe
  50. ___ is the shape of P. fluorescens.
    Bacillus
  51. The optimal growth range for P. fluorescens is what?
    25 - 30 degrees C
  52. Pseudomonas fluorescens is a Gram- ___ bacteria found in ___ & ___.
    • Negative
    • Soil and Water
  53. P. fluorescens produces heat stable ___ & ___ causing ___ to break down and milk to spoil.
    • Lipases & Proteases
    • Casein
  54. In an environment w/low iron content, P. fluorescens will produce ___ ___ ___ pigments.
    Soluble, green fluorescent
  55. P. fluorescens is sometimes used where in the environment?
    Bioremediation of polutants
  56. What antibiotic is produced utilizing P. fluorscens and what disorders is it used for?
    Mypirocin for use in skin, ear and eye disorders

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