| A | B |
| nucleic acid | DNA (organic compounds) |
| compound | 2 or more elements chemically combined |
| element | can not be broken down |
| Hooke | discovered cells |
| Cells | basic unit of structure and function in living things |
| diffusion | movement of oxygen molecules |
| carbohydrates | sugars and starches |
| ribosomes | produce proteins |
| compound microscope | has 2 or more lenses |
| convex lens | lens that is thicker in the center |
| chromatin | thin strands that contain gentic material |
| tissue | group of similar cells working together to perform a specific function |
| golgi apparatus | packages and sorts proteins |
| endoplasmic reticulum | transports proteins |
| active transport | endocytosis; exocytosis |
| passive transport | osmosis; diffussion; facilitated diffusion |