| Term | Definition |
| Polymerization | when large molecules are built by joining smaller ones together |
| monomers | small unit that can join together with other small units to form polymers |
| polymers | large compound formed from combinations of many monomers |
| organic compound | carbohydrates, lipids, nucleic acids, and proteins |
| carbohydrates | compounds made up of carbon, hydrogen, and oxygen atoms, with a ratio of 1:2:1. Living things use for energy |
| monosaccharides | single sugar molecules, includes glucose, and galactose |
| polysaccharides | large macromolecules formed from monosaccharides |
| lipids | large and varied group of biological molecules that are generally not soluble in water, used to store energy |
| nucleic acids | macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus, used to store and transmit genetic information |
| nucleotides | consist of three parts: a 5 carbon sugar, a phosphate group, and a nitrogenous base |