Which of the Following Statements Concerning Prokaryotic Flagella Is TRUE

Which of the following statements concerning prokaryotic flagella is TRUE?

A) Treponema is an example of a bacterium that has a tuft of polar flagella.
B) Prokaryotic flagella are composed of tubulin.
C) Prokaryotic flagella move in a whip- like manner.
D) Prokaryotic flagella are anchored to the cell wall by means of the basal body.
E) A "run" results from clockwise movement of the flagellum.