| Term | Definition |
| carbohydrates, lipids, proteins, and nucleic acids | organic compunds made up of carbon, hydrogen, and oxygen essential to all living things the # of carbon atoms vary |
| monosaccharide | monomer of a carbohydrate; a simple sugar; simple carbohydrate |
| glucose | a monosaccharide sweet sugar found in fruit C6H12O6 |
| fructose | energy for cells C6H12O6 |
| galactose | a sugar found in milk C6H12O6 |
| isomer | it has the same structural formula but different structures |
| disaccharide | two monosaccharides covalently bonded together |
| sucrose | a disaccharide made of two monosaccharides glucose + fructose |
| polysaccharide | a complex molecule composed of three or more monosaccharides |
| 2 examples of polysaccharides | starch & glycogen |
| sucrose formula | glucose + fructose = sucrose + H2O |
| lactose formula | glucose + galactose = lactose |
| maltose | glucose + glucose = maltose |
| carbo | contains one carbon atom |
| hydrate | contains water |
| sugars | carbohydrate group of compunds |
| monosaccharide | the simplist sugar |
| hydrocarbon structure | hydrocarbon chain with attached hydroxyl groups |