Question

digital worksheet: cell membrane review
3 fill in the blank 1 point
the outer barrier of all cells is the ____. cell membrane

Explanation:

The cell membrane, also known as the plasma membrane, is a crucial structure in all cells. It acts as a selective barrier, controlling the movement of substances in and out of the cell. This function is vital for maintaining the cell's internal environment, a process known as homeostasis. The cell membrane is composed of a phospholipid bilayer, which provides a stable barrier while also allowing for the incorporation of various proteins that facilitate transport, signaling, and other cellular functions.

Answer:

Cell membrane