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Week 2: Controlling Microbial Growth

Amanda A 18 questions

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Questions in this quiz (18)

  1. 1[blank_start]Obligate (strict) aerobes[blank_end]: require [blank_start]O2[blank_end]
    [blank_start]Facultative anaerobes[blank_end]: don’t require O2, [blank_start]but will use if present[blank_end]
    [blank_start]Aerotolerant anaerobes[blank_end]: tolerate O2 , [blank_start]will not use[blank_end]
    [blank_start]Microaerophiles[blank_end]: require [blank_start]reduced levels of O2[blank_end]
    [blank_start]Obligate (strict) anaerobes[blank_end]: [blank_start]cannot[blank_end] survive in presence of O2
    1. AObligate (strict) aerobes
    2. BFacultative anaerobes
    3. Cbut will use if present
    4. DAerotolerant anaerobes
    5. Ewill not use
    6. FMicroaerophiles
    7. Greduced levels of O2
    8. HO2
    9. IObligate (strict) anaerobes
    10. Jcannot
    11. Kcan
    12. LCO2
  2. 2• [blank_start]Fastidious[blank_end]: rely heavily on the environment to supply specific organic nutrients
    • [blank_start]Non-Fastidious[blank_end]: less “needy” or “picky”. Can survive on a broader range of supplied nutrients
    1. AFastidious
    2. BNon-Fastidious
  3. 3Label the type of organism for its optimum temperatures.Image for question 3
    1. APsychrophile
    2. BMesophile
    3. CThermophile
    4. DExtreme Thermophile
  4. 4Label the type of organism for its optimum pH levelsImage for question 4
    1. Aacidophile
    2. Bneutrophile
    3. Calkaliphile
  5. 5You married a mormon and took all eight of your kids under 6 years old to the lake when you moved to Salt Lake City. The lake has a salinity range of 5-27% NaCl (according to wikipedia), but its the end of the summer so the lake is pretty shallow so it is probably on the higher end of the range currently. Your daughters brought back a mason jar full of lake water to give you for your 24th birthday but by the time you opened it, there was a large amount of bacteria growing in this closed jar. How would you classify this organism?
    1. Aextreme halophile; anaerobic
    2. Bosmolerant; aerobic
    3. Chalophile; aerobic
  6. 6[blank_start]Halobacterium[blank_end] [blank_start]salinarium[blank_end] is an example of an extreme halophile.
    1. AHalobacterium
    2. Bsalinarium
  7. 7What can you learn from the Fluid thioglycollate medium test?
    1. Aoxygen requirements
    2. Bfermentation
    3. CGram stain
    4. Dtemperature requirements
  8. 8[blank_start]Resazurin[blank_end] is the oxygen indicator in the fluid thioglycollate medium.
    1. AResazurin
  9. 9If there is low osmotic pressure inside the cell, but high osmotic pressure in its environment, where will water flow?
    1. ANet flow into the cell
    2. BNo net flow
    3. CNet flow out of the cell
  10. 10[blank_start]Defined medium[blank_end]: amount of every ingredient is known
    [blank_start]Undefined medium[blank_end]: also known as complex
    1. ADefined medium
    2. BUndefined medium

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Description
Environmental factors affecting microbial growth; germicides Questions made from slides
Author
Amanda A
Language
English
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3
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