Final answer:
Bacterial flagella are spiral filaments that enable cell movement in aqueous environments.
Explanation:
Flagella are structures used by cells to move in aqueous environments. Bacterial flagella act like propellers. They are stiff spiral filaments composed of flagellin protein subunits that extend outward from the cell and spin in solution. Different types of motile bacteria exhibit different arrangements of flagella.
Learn more about Bacterial Movement here:
https://brainly.com/question/36395874
