LIPID Soluble in non-polar solvents and insoluble in polar solvents. Lipid is not polymers. Lipids: 1. Fatty acids 2. Neutral fats and oils 3. Waxes 4. Phospholipid 5. Sterols 6. Fat soluble vitaminsLIPID Soluble in non-polar solvents and insoluble in polar solvents. Lipid is not polymers. Lipids: 1. Fatty acids 2. Neutral fats and oils 3. Waxes 4. Phospholipid 5. Sterols 6. Fat soluble vitamins