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Chap 7 yocab biology
| Question | Answer |
|---|---|
| cell | the basic unit of living organisms |
| compound light molecule | series of lenses magnifing objectives in steps |
| cell theory | organisms-and all cells come from prexsiting cells |
| electron microscope | times their actual size. |
| prokaryote | cells of most unicellur organisms such as bacteria do not have membrane-bond structures |
| eukaryote | cells containing membrane bond structures |
| organelle | membrane-bond structures within eukaryotic cells |
| Nucleus | The central membrane-bond organelle that manages cellular functions |
| Plasma membrane | the boundary between the cell and its environment |
| homeostasis | process of maintaining the cell's environment |
| selective permeability | process in which the plasma membrane |