Question

Why plasma membrane is living ?

Answer 1

All cells are surrounded by aplasma membrane. Themembrane is composed of a phospholipid bilayer arranged back-to-back. The membrane is also covered in places with cholesterol molecules and proteins. The plasma membraneis selectively permeable and regulates which molecules are allowed to enter and exit thecell.

Answer 2

All cells are surrounded by a plasma membrane. The membrane is composed of a phospholipid bilayer arranged back-to-back. The membrane is also covered in places with cholesterol molecules and proteins. The plasma membrane is selectively permeable and regulates which molecules are allowed to enter and exit the cell.