Question

What is a cell membrane and what is the function (job) of the cell membrane? (keep it short)

Answer 1

The cell membrane, also known as the plasma membrane, is a thin, flexible layer that surrounds a cell, comprised mainly of a phospholipid bilayer with embedded proteins. Its primary functions are to protect the cell, regulate the movement of substances in and out, maintain homeostasis, and facilitate communication and signaling between cells.