Multiple Choice
Structures external to the bacterial cell wall that is used for motility (movement) by chemotaxis:
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Prokaryotic Motility
Multiple Choice
Which of the following is NOT a component of bacterial flagella?
A
Flagellin
B
Basal body
C
Tubulin
D
Filament
E
Hook
Verified step by step guidance1
Understand the structure of bacterial flagella: Bacterial flagella are composed of three main parts: the filament, the hook, and the basal body.
Identify the protein components: The filament is primarily made of a protein called flagellin.
Recognize the function of the basal body: The basal body acts as a motor, anchoring the flagellum to the cell wall and membrane.
Understand the role of the hook: The hook connects the filament to the basal body and acts as a flexible joint.
Identify the incorrect component: Tubulin is a protein that is not found in bacterial flagella; it is a component of eukaryotic microtubules.
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