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Questions and Answers
Which statement best describes the characteristic of obligate intracellular bacteria mentioned in the text?
Which statement best describes the characteristic of obligate intracellular bacteria mentioned in the text?
- They can survive outside host cells in artificial media.
- They primarily replicate in the host lysosome to ensure survival.
- They lack many biosynthetic pathways and depend on the host cell for ATP and other molecules. (correct)
- They are able to carry out energy metabolism independently.
In the context of obligate intracellular bacteria, which best describes the role of Coxiella burnetii?
In the context of obligate intracellular bacteria, which best describes the role of Coxiella burnetii?
- It is an obligate intracellular bacterium causing acute and chronic infections. (correct)
- It is an organism that can be easily cultured on agar plates and broths.
- It is a bacterium that primarily spreads by actin polymerization.
- It is an extracellular bacterium that can survive independently of a host cell.
Which process is involved in the chlamydial growth cycle according to the text?
Which process is involved in the chlamydial growth cycle according to the text?
- Release of elementary bodies (EB) from lysosomes to infect surrounding epithelial cells.
- Promotion of cell-to-cell spreading of chlamydia in the host.
- Binary fission of reticulate bodies (RB) inside host cells. (correct)
- Formation of actin polymerization to propel bacteria unidirectionally.
What is a characteristic of obligate intracellular pathogens?
What is a characteristic of obligate intracellular pathogens?
How do obligate intracellular pathogens achieve invasion?
How do obligate intracellular pathogens achieve invasion?
What differentiates obligate intracellular pathogens from facultative intracellular pathogens?
What differentiates obligate intracellular pathogens from facultative intracellular pathogens?
What is the compartment where C. burnetii replicates inside alveolar macrophages?
What is the compartment where C. burnetii replicates inside alveolar macrophages?
Which of the following is NOT an obligate intracellular bacterium from the text?
Which of the following is NOT an obligate intracellular bacterium from the text?
How does C. burnetii escape immune detection as described in the text?
How does C. burnetii escape immune detection as described in the text?
What is the main method through which host cells defend against intracellular pathogens?
What is the main method through which host cells defend against intracellular pathogens?
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