please answer in 3 sentences

What is the function of the plasma membrane? What cells is it found in?

1 answer

The plasma membrane, also known as the cell membrane, serves as a protective barrier that regulates the movement of substances into and out of the cell. It is found in all types of cells, including animal cells, plant cells, and bacterial cells. The plasma membrane is crucial for maintaining cellular homeostasis and participating in various cellular processes like cell signaling and transport.