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.