12 Questions
What is the function of flagella in bacteria?
To provide motility
What is the difference between the flagella of gram-negative and gram-positive bacteria?
Gram-negative have 2 sets of rings and rods, while gram-positive have S M rings and rods
What is the function of pili/fimbriae in bacteria?
To adhere to surfaces
Which type of bacteria has pili/fimbriae?
Some gram-negative bacteria
What is the function of chemotaxis in bacteria?
To detect chemicals and signal flagella to respond
What is the difference between monotrichous and peritrichous flagella?
Monotrichous have one flagellum, while peritrichous spread over the entire surface
What is the function of the hook and basal body in flagella?
The hook links the filament to the body, while the basal body drives flagellar motion
What is the function of the sheath around the filament in some prokaryotes?
It provides structural support
What is the function of sex pili in bacteria?
To donate F factor for bacterial conjugation
What is the difference between lophotrichous and amphitrichous flagella?
Lophotrichous have a cluster of flagella at one or both ends, while amphitrichous have one flagellum at each end
What is the function of lectin in pili/fimbriae?
To bond to cell surface polysaccharides
What is an example of a pathogenic bacteria that uses flagella to invade host cells?
Helicobacter pylori
Study Notes
"Test your knowledge on Bacterial Appendages and Special Structures! Learn about the significance of flagella, surface layers, cytoplasm, and endospores in bacterial motility and survival. Identify the different types of flagella and their arrangement in Gram-negative and Gram-positive bacteria. Challenge yourself with this quiz and discover the fascinating world of bacterial structures and functions!"
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