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Questions and Answers
Which component of the mycobacterium cell-wall is correlated with virulence?
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?
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?
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?
What is the role of phosphatides in the mycobacterium cell-wall?
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Which characteristic is true about Pseudomonas aeruginosa?
Which characteristic is true about Pseudomonas aeruginosa?
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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.
