| A | B |
|---|
| ELEMENT | A substance made entirely of one kind of atom. |
| ENERGY LEVEL | The position an electron occupies outside the nucleus. |
| FAT | An organic molecule composed of three fatty acids and one glycerol. |
| FATTY ACID | A type of organic molecule that consists of a carbon chain with at least one carboxyl group attached to it. |
| FIBROUS PROTEINS | Long stringy molecules that do not dissolve in water. They are |
| GLOBULAR PROTEINS | Tightly folded |
| GLUCOSE | A monosaccharide that is the main source of energy for respiration in most organism. |
| GLYCEROL | An alcohol that reacts with fatty acids to form fats. |
| GLYCOGEN | A polysaccharide that is the main food storage compound in animals. |
| HYDROGEN ION | H+ ion. |
| HYDROLYSIS | The process in which molecules are broken apart by the addition of water molecules. |
| HYDRONIUM ION | The combination of a hydrogen ion (proton) and a water molecule to produce H30+. . |
| HYDROXYL ION | OH- ion. |
| ION | An atom or a group of atoms with an electrical charge. |
| IONIC BOND | The force of attraction between two ions in a chemical compound. |
