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MICRO Unit 2 Persky

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28 questions
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  • Q1
    Which of these terms best classify a microbe that lives in a thermal vent on the bottom of the ocean?
    Heterotrophs
    Psychrotroph
    Hyperthermophiles
    Thermophiles
    30s
  • Q2
    Which of these terms best classify a microbe that uses sodium sulfate as its terminal electron acceptor and cannot grow in oxygen
    Obligate aerobe
    Obligate anaerobe
    Psychrophiles
    Facultative anaerobe
    30s
  • Q3
    True or false: if you inoculate an Alkaliphiles on an agar plate with the pH of 4.5 it will grow.
    True
    False
    30s
  • Q4
    TRUE or FALSE : A fastidious organism requires additional growth factors to survive.
    False
    True
    30s
  • Q5
    Blood agar plates, which typically contain sheep blood, become transparent in the presence of hemolytic bacteria can best be classified as what?
    Question Image
    Selective media
    Differential media
    30s
  • Q6
    Classify an organism that uses glucose as a carbon source and radiant light as an energy source.
    Photoheterotroph
    Chemolithoheterotroph
    Photoautotroph
    Chemoorganoheterotroph
    30s
  • Q7
    True or False: Filtration is a chemical method of bacteria control
    True
    False
    30s
  • Q8
    Which of these is not a form of preservation?
    Freezing
    Removing available water
    Heating
    30s
  • Q9
    What is the best way to classify an endoscope used in a hospital?
    Semi critical instrument
    Critical instrument
    Non-critical instrument
    30s
  • Q10
    True or False: If you scratch your knee, in order to prevent infection you would use antiseptic.
    True
    False
    30s
  • Q11
    Which of these terms best describes “the removal or destruction of all microorganisms and viruses on or in a product”.
    Sterilization
    Preservation
    Clean
    Disinfection
    30s
  • Q12
    Which of these antimicrobial chemicals would be the least toxic to humans?
    Aldehyde
    Ethylene oxide gas
    Biguanides
    Chlorine gas
    30s
  • Q13
    True or False: UV radiation is used to control microbes because it can damage DNA and causes a thymine dimers
    True
    False
    30s
  • Q14
    Cellular Respiration ends in how many oxidized ATP?
    34
    38
    4
    20
    30s
  • Q15
    Fermentation results in how much ATP (net total)?
    4
    2
    34
    38
    30s

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