Because of cholesterol present in it.
Because the substance in the membrane are free to move,
Because phospholipids are made up of water.
Beacuse its been named after the scientist
Removes the waste
Helps in osmosis
Act as a hormone
Act as a recepter
Act as a chemical messenger
They controls the blood level
They control the movement of molecules into the cell
They help the cell to communicate with the other cells
Here's an interesting quiz for you.