| A | B |
| Organic | Living things are made of these types of compounds. |
| Covalent bonds | Bonds that are formed by the sharing of electrons. |
| Ionic bonds | Bonds that are formed by the transfer of electrons. |
| Proteins | These nutrients are made up of amino acids and function in the building and repairing of cells and are responsible for giving you your characteristics. |
| Carbohydrates | These nutrients are made of monosaccharides and function in providing short term energy. |
| Lipids | These nutrients are made of glycerol and fatty acids and function in long term energy storage and insulation. |
| Nucleic acids | These nutrients are made up of nucleotides and carry genetic information. |
| Enzymes | These special proteins are catalysts and speed up chemical reactions. |