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Mycobacterium and Pseudomonas Characteristics
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Mycobacterium and Pseudomonas Characteristics

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Questions and Answers

Which component of the mycobacterium cell-wall is correlated with virulence?

  • mycolic acid
  • wax-D
  • trehalose 6-6' dimycolate (correct)
  • phosphatides
  • What is responsible for the acid-fastness of Mycobacterium?

  • wax-D
  • trehalose 6-6' dimycolate
  • mycolic acid (correct)
  • phosphatides
  • Which property of Mycobacterium leprae is NOT correct?

  • It has not been grown in vitro
  • The optimal temperature for its growth is 37°C (correct)
  • Humans are the natural reservoir hosts
  • The organism replicates intracellularly typically within macrophages
  • What is the role of phosphatides in the mycobacterium cell-wall?

    <p>Play a role in caseation necrosis</p> Signup and view all the answers

    Which characteristic is true about Pseudomonas aeruginosa?

    <p>Aerobic Gram-negative</p> Signup and view all the answers

    Study Notes

    Mycobacterium Cell-Wall

    • Trehalose 6-6' dimycolate correlates with virulence
    • Mycolic acid is responsible for acid-fastness
    • Wax-D is used to suppress the immune response to foreign antigens

    Properties of Mycobacterium

    • Mycobacterium leprae has not been grown in vitro
    • The organism replicates intracellularly typically within macrophages
    • Humans are not the natural reservoir hosts

    Characteristics of Pseudomonas Aeruginosa

    • Aerobic Gram-negative bacterium

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    Description

    This quiz covers the characteristics of Mycobacterium, including its cell-wall components and properties, as well as the characteristics of Pseudomonas Aeruginosa, an aerobic Gram-negative bacterium.

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