THIS USER ASKED 👇
Which of the following best describes the function of flagella and cilia?
A. They destroy foreign materials that enter the cell from the external environment
B. They block the uncontrolled movement of materials into or out of a cell
C. They play an important role in the modification and packaging of proteins
D. They assist the cell in moving
THIS IS THE BEST ANSWER 👇
Flagellum is primarily known as a motility organelle that enables movement and chemotaxis. Bacteria can usually contain one or more flagellum, and may be polar (one or more flagella at one spot) or peritrichous (several flagella throughout the bacterium).
Explanation: Hope U has a beautiful day! ✌️