9 Questions
Which of the following materials is NOT commonly used in the formation of bacterial capsules?
Lipids
What is the primary general function of fimbriae and pili in bacteria?
Adherence to solid surfaces and tissues in the host
What is a distinguishing feature between fimbriae and pili in bacteria?
Their visibility to the naked eye
In what way do S-layers contribute to bacterial cells?
Maintain cell shape and rigidity
What is the function of sex pili in bacteria?
Facilitate gene transfer between cells of opposite mating type
What is the primary component of the filament of bacterial flagella?
Flagellin
How do bacterial flagella assist in bacterial movement?
By twitching and gliding
How do chemoreceptors contribute to bacterial movement?
By detecting attractants and repellents across a concentration gradient
What distinguishes sex pili from other types of pili in bacteria?
They are thicker and less frequent (10/cell)
Explore the various components found outside the bacterial cell wall, such as capsules, slime layers, and S-layers. Learn about their composition, functions, and their significance in nanotechnology applications.
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