Question

which structure on a bacterium provides movement?○ pilli○ capsid○ flagella○ endospore

Explanation:

• Pilli are used for bacterial attachment or conjugation, not movement.
• Capsids are protein coats of viruses, not bacterial structures.
• Flagella are whip-like bacterial structures that enable movement.
• Endospores are dormant bacterial structures for survival, not movement.

Answer:

flagella