| A | B |
| inorganic molecules | typically small molecules that do not usually contain carbon |
| organic molecules | carbon containing molecules that can be very large in size |
| macromolecules | a large molecule |
| monomer | small unit that can join together with other small units to form polymers |
| polymer | large compound formed from combinations of many monomers |
| dehydration synthesis | a chemical reaction that makes polymers from monomers by removing water |
| hydrolysis | a chemical reaction that breaks polymers apart into monomers by adding water |
| metabolism | the complex set of reactions that break down and build chemicals in the body. |