| Term | Definition |
| cellular processes | organelles carrying out activities necessary to continue the life of the cell |
| passive transport | movement of materials from high to low concentration |
| active transport | movement of materials from low to high concentration |
| passive transport | movement of materials using no energy |
| active transport | movement of materials requiring the use of energy |
| diffusion | movement of particles from high to low concentration |
| osmosis | movement of water across a membrane from high to low concentration |
| respiration | creation of energy for the cell in the mitochondria |
| mitochondria | organelle that makes most of the cell's energy |
| Kreb's Cycle | process in the mitochondria that makes most of the cell's energy |
| Glycolysis | process in the cytoplasm that makes a small amount of energy for the cell |
| photosynthesis | process that makes glucose for plant cells |
| chloroplast | organelle that performs photosynthesis |
| mitosis | process of the nucleus dividing during cell division |
| the cell cycle | process of creating new cells for growth and reproduction |
| meiosis | cells dividing to make sexual reproductive cells |
| permeability | whether or not a membrane will allow materials to enter or exit |
| hypotonic | osmotic situation when water enters a cell causing it to swell |
| hypertonic | osmotic situation when water exits a cell causing it to shrink |
| isotonic | osmotic situation when water percentages inside and outside of a cell are balanced |
| reactants | the compounds that are needed for a chemical reaction to happen |
| products | the compounds that are created from a chemical reaction |