Phosphatidylcholine and phosphatidylserine are glycerophospholipids, consisting of a glycerol backbone, two fatty acid chains, and a phosphate group with a head group (e.g., choline or serine).
| List I | Functional Group | List II Description |
|---|---|---|
| A | Hydroxyl | I. DNA |
| B | Carboxyl | II. Proteins |
| C | Amino | III. Polar |
| D | Phosphate | IV. Fatty acids |