| A | B |
| Lipids | Source of high energy, fats |
| Phospholipids | Have a hydrophilic end and a hydrophobic end |
| Carbohydrates | Supply energy & provide structure, 2 forms |
| Monosaccharide | Simplest form of carbohydrate (glucose) |
| Polysaccharide | Made up of many monosaccharide, glycogen |
| Proteins | Made up of amino acids, many functions within cells |
| Nucleic acid | Provide plans for differing construction of proteins |
| DNA & RNA | Backbones made of sugar, bases join to another base |
| Cell Membrane | Semipermeable and contains the cell contents |
| Cytoplasm | Fluid & organelles inside the cell |
| Nucleus | Contains genetic material of cell |
| Ribosomes | Manufactures protein used inside the cell |
| Endoplasmic Reticulum | 2 types: rough & smooth, transport proteins |
| Golgi Apparatus | Produces polysaccharides & lysosomes |