Phospholipid A phospholipid is a type of lipid used in the cells of living things.
Phospholipid Chemically speaking, phospholipids are composed of a molecule containing a phosphate group (PO 4 ), 2 fatty acids, and a glycerol molecule.
Phospholipids form the structure of the cell membrane. Two layers of phospholipids form a bilayer due to the hydrophilic nature of the phosphate head of the molecule and the nonpolar hydrophobic tail. hydrophilic phosphate (PO 4 ) hydrophobic fatty acid tail