Carbohydrates are molecules made from carbon, hydrogen and oxygen with a general formula of Cn(H2O)n. They include polysaccharides such as starch and glycogen, monosaccharides such as glucose and fructose and disaccharides such as sucrose.They may have structural roles or may be used to store or provide energy for the cell.
Carbohydrates
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Specification: AQA Biology (7401), AS-level, 3.1.2 Carbohydrates. Topic: Biological Molecules.
Key terms in this lesson
- monosaccharide
- The monomer from which larger carbohydrates are made, a simple sugar such as glucose.
- disaccharide
- A sugar formed from two monosaccharides joined together by a glycosidic bond.
- polysaccharide
- A polymer formed from many monosaccharides joined together by glycosidic bonds.
More in Biological Molecules
- Bonding
- Polymers and Macromolecules
- Condensation and Hydrolysis
- Organic Compounds
- Monosaccharides
- Test for Reducing Sugars
- Disaccharides
- Test for Non-reducing Sugars
All 29 lessons in Biological Molecules · All AQA AS-level Biology topics