A ribosome is an organelle found in a living organism responsible for protein synthesis.
A flagellum is a hair-like structure found in living organisms, which helps in locomotion.
Cell division is a process in which a parent cell divides into two or more daughter cells, this is called cell division.
Diffusion is the correct answer as ions and organic compounds that enter prokaryotes quickly diffuse to other sections of the cell due to their small size. Similarly, any waste created by a prokaryotic cell can diffuse quickly.