Describe various forms of lipid with a few examples.
Lipids are classified into three categories:
1. Simple lipids: these are the esters of fatty acids.
Examples- Triglycerol, fats and wax
2. Compound lipids: lipids with an additional group other than fats and alcohol.
Example: Phospholipids, glycolipids etc.
3. Derivatives: When lipid consists of hydrocarbon rings and long chains of hydrocarbon.
Example- Steroids, cholesterol and prostaglandins.