How To Draw Cell Membrane. Membrane structure and function cell membrane proteins: Its function is to protect the integrity of the interior of the cell by allowing certain substances into the cell while keeping other substances out.
The function of motor neurons is to transmit signals from the brain and spinal cord to muscle cells. The cell membrane is an extremely pliable structure composed primarily of two layers of phospholipids (a “bilayer”). Diffusion • draw a situation where a molecule of nacl will enter the cell.