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Biological Appendages Quiz

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Questions and Answers

What is the primary function of the basal body in flagella formation?

Constructs the elongated filament

Creates the flexible joint connecting the filament and basal body

Rotates the flagellum for movement

Establishes the anchor point for the flagellum (correct)

Which component of the flagellar motor is responsible for generating torque?

The stator

The rotor (correct)

The hook

The filament

What is the primary power source used by most flagellar motors?

Mechanical force

Proton motive force (PMF) (correct)

Electrochemical gradient

ATP hydrolysis

Which type of flagellar arrangement is associated with peritrichous flagellation?

Flagella distributed randomly over the entire cell surface Signup and view all the answers

In which type of movement do bacteria exhibit a smooth swimming motion?

Run Signup and view all the answers

What is the primary function of the hook in the flagella structure?

Creates the flexible joint connecting the filament and basal body Signup and view all the answers

Which component of the flagellar motor is composed of the proteins MotA and MotB?

The stator Signup and view all the answers

What is the primary function of the filament in the flagella structure?

Constructs the elongated filament Signup and view all the answers

Which type of flagellar arrangement is associated with polar flagellation?

Flagella arranged in a tuft at one pole of the cell Signup and view all the answers

What is the primary function of the proton motive force (PMF) in flagellar movement?

Powers the rotation of the flagellar motor Signup and view all the answers