One Type of Macromolecule


Carbohydrates are the main source of energy for your body. They are the fuel for all of the functions performed by the body including contraction of muscles, digestion of food and the proper working of the nervous system. Carbohydrates are also used for structural support. In plant cells the cell wall is made of the carbohydrate cellulose.

Many food are catagorized as carbohydrates including: pasta, bread, cereal, potatoes, starchy vegetables and sweets. All carbohydrates break down into sugar once they are eaten.

Examples of Carbohydrates

Elements Making Up Carbohydrates

Carbon, Hydrogen and Oxygen

Remember CHO

Monomer for Carbohydrates

The monomer for carbohydrates is glucose. Notice in the diagram that glucose is made up of the elements carbon, hydrogen and oxygen.

Energy Storage

4 kcal/gram