Question

explain the structure and functions
of plasma membrane & cell wall.​

Answer 1

Answer:

The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.

hope this helps you

Answer 2

Answer:

plasma membrane is made of lipids and proteins, forming the phospholipid bilayer structure. It acts as a barrier between two aqueous compartments. It acts as selectively permeable to ions and organic molecules and regulate the movement of substances in and out of the cell.

Cell wall in plants is composed of cellulose and contains three main layers, suchas middle lamellae, primary cell wall and secondary cell wall. The main function of cell wall is to provide structure, support and protection for the cell.