| A | B |
| compound light microscope | light passes through an object and then 2 or more lenses |
| electron microscope | uses a magnetic field and a beam of electrons |
| cell theory | says that cells come only from other cells |
| cell theory | says that cells are the basic structure of life |
| cell theory | says that organisms are made up of cells |
| diffusion | movement from an area of many to an area of few |
| osmosis | diffusion of water through a cell membrane |
| passive transport | movement through the cell membrane that uses no energy |
| active transport | movement through the cell membrane that uses energy |
| endocytosis | type of active transport that moves particles into the cell |
| exocytosis | type of active transport that moves particles out of the cell |
| mitosis | the division of a nucleus into 2 nuclei |
| meiosis | nuclear division that produces a sex cell |
| fertilization | when an egg and a sperm cell combine |
| DNA | found in the nucleus and contains a copy of all the organisms information |
| RNA | carries messages from the nucleus to the ribosomes |
| mutation | permanent change in a gene or chromosome |
| cloning | an offspring that gets all of its DNA from one parent |