Functions of Carbohydrate

Carbohydrates are the potential source of energy. This energy is utilized in body metabolism. Carbohydrates also act as storage food molecules. In plants excess glucose in converted into starch and in animals into glycogen. Carbohydrates also work as an excellent building. Protective and supporting structure e.g : Cellulose is the major component of cell- wall. In animals chitin forms the exoskeleton of arthropods. They also form complex conjugated molecules.