A flagellum is a hairlike appendage that protrudes from certain plant and animal sperm cells, and from a wide range of microorganisms to provide motility. Bacterial flagella are helical filaments, each with a rotary motor at its base which can turn clockwise or counterclockwise.
Bacteria Propulsion System
Bacterial flagella are helical filaments, each with a rotary motor at its base which can turn clockwise or counterclockwise.