| A | B |
|---|
| Activation energy | Energy necessary to get a chemical reaction going |
| Chromoplasts | Organelles that contain pigments used in photosynthesis |
| Cytolysis | The rupturing of a cell due to excess internal pressure |
| Cytoplasmic streaming | The motion of the cytoplasm which results in a coordinated movement of the cell's organelles |
| Digestion | The breakdown of absorbed substances |
| Egestion | The removal of non-soluble waste materials |
| Excretion | The removal of soluble waste materials |
| Isotonic solution | A solution in which the concentration of solutes is essentially equal to that of the cell which resides in the solution |
| Leucoplasts | Organelles that store starches or oils |
| Middle lamella | The thin film between the cell walls of adjacent plant cells |
| Phagocytosis | The process by which a cell engulfs foreign substances or other cells |
| Plasmolysis | A collapse of the cell's cytoplasm due to lack of water |
| Respiration | The breakdown of food molecules with a release of energy |
| Secretion | The release of biosynthesized substances for use by other cells |
