| A | B |
|---|
| atom | smallest unit of an element that retains the same properties |
| Cell | basic unit of structure and function for all living things |
| 3 things all cells have in common | genetic material, cell membrane, and cytoplasm |
| endoplasmic reticulum | organelle responsible for the production and transportation of materials |
| eukaryotic | organism composed of one or more cells that has a nucleus and organelles |
| golgi apparatus (complex) | organelle responsible for packaging proteins |
| Homeostasis | ability to maintain a constant internal environment |
| hypothesis | a proposed scientifically testable explanation for an observation |
| multicellular | made of more than one cell |
| nucleus | organelle that contains genetic info and is the control center of the cell |
| organ | a unit composed of tissues serving a common function |
| Organ System | system composed of a group of organs that work together |
| Organelle | a subunit within a cell that has a specialized function |
| prokaryotic | a single- celled organisms that lacks a nucleus and organelles |
| Tissue | unit composed of cells that perform a specific function |
| Unicellular | made of a single cell |
| ribosome | organelle where protein synthesis occurs |
