Answer:
Phospholipids are known as a class of lipids, which contains phosphorus substance and play an important role in living cells. They are forming lipid bilayer because they have amphiphilic characteristics.
Phospholipids structure composed of hydrophilic head which is water loving and two hydrophobic tails which are water repelling in nature. Water loving part is composed of alcohol and glycerol group while the water repelling part is composed of chains of fatty acids.
Function of phospholipids:
1) It protects the cell to provide a barrier in cellular membrane and provide barrier to those organelles which are present within those cells.
2) It's provide pathways across the membrane for many substances present in the cell.
