Other Lipids: Phospholipid
Phospholipids (or phosphoglycerides) are the main molecules that make up the lipid bilayer in biological membranes. They have two fatty acid chains and a phosphate group with a variable group X.
![The chemical bonds of a phospho-lipid showing its two fatty acid chains and a phosphate group.](images/molecular-structure-of-fat-17.png)
Phospholipids (or phosphoglycerides) are the main molecules that make up the lipid bilayer in biological membranes. They have two fatty acid chains and a phosphate group with a variable group X.