Question

Why cell membrane is called selectively permeable?

Answer 1

Cell membrane :

1. A cell membrane is a biological membrane that gives form and support to the cell.
2. It separates the interior of the cell from the outside of the cell environment.
3. It allows the entry and exit of cellular materials.
4. The cell membrane is called selectively permeable because it protects the inside contents of the cell and regulates the passage of molecules in and out of the cell.