Answer :

Final answer:

The membrane in a prokaryotic cell controls what enters and leaves the cell, maintaining homeostasis by regulating the passage of materials.


Explanation:

Plasma membrane, cytoplasm, ribosomes, plasmid, pili, bacterial flagellum, and nucleoid (circular DNA) are key components of a prokaryotic cell. Among these, the structure that controls what enters and leaves the cell and maintains homeostasis is the membrane.


Learn more about Prokaryotic cell structure and function here:

https://brainly.com/question/35867880