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Questions and Answers
What is the basis for the multiple serotypes of Neisseria gonorrhoeae?
What is the basis for the multiple serotypes of Neisseria gonorrhoeae?
- Difference in protein I and protein II
- Presence of a polysaccharide capsule
- Variation in outer membrane protein III
- Antigenicity of its pilus protein (correct)
What is the function of Protein II in Neisseria gonorrhoeae?
What is the function of Protein II in Neisseria gonorrhoeae?
- Production of the polysaccharide capsule
- Attachment of the organism to cells (correct)
- Variation in antigenicity
- Regulation of chromosomal rearrangement
How many serotypes of Neisseria gonorrhoeae are known?
How many serotypes of Neisseria gonorrhoeae are known?
- Less than 10
- Over 50
- More than 100 (correct)
- Only 1
What is responsible for the antigenic variation in the gonococcal pili?
What is responsible for the antigenic variation in the gonococcal pili?
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Which of the following is NOT a characteristic of Neisseria gonorrhoeae?
Which of the following is NOT a characteristic of Neisseria gonorrhoeae?
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Study Notes
Neisseria Gonorrhoeae (Gonococcus)
- Lacks a polysaccharide capsule
- Has multiple serotypes based on the antigenicity of its pilus protein
- Antigenic variation in gonococcal pili occurs due to chromosomal rearrangement
- There are over 100 known serotypes
- Has three outer membrane proteins: proteins I, II, and III
- Protein II plays a role in attachment of the organism to cells
- Protein II varies antigenically
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Description
This quiz covers the characteristics of Neisseria gonorrhoeae, including its pilus protein, outer membrane proteins, and antigenic variation. Learn about the structure and properties of this bacterium.
