Here you go I think this is the answer to your question. Complex carbohydrates (e.g. polysaccharides) and lipids both contain a lot of chemical energy and can be used for energy storage. Complex carbohydrates and lipids are both insoluble in water - they are not easily transported. Carbohydrates and lipids both burn cleaner than proteins (they do not yield nitrogenous wastes ...
Carbohydrates and lipids are both types of macromolecules found in living things. Carbohydrates are often referred to as sugars and are found in different forms such as glucose and maltose. Lipids are fats, oils, waxes and steroids and are made up of fatty acids.
