| Question or Term | Answer or Definition |
|---|---|
| What are all living things made of? | Cells. |
| How big are most cells? | Minute. |
| When were cells found & how? | They were found in the 1600s with a microscope by accident! |
| Robert Hooke- | -He was the 1st to discover cells. -He thought plants were made of cells but not animals., |
| Anton van Leeuwenhoek- | -He was the 1st to discover protists. -He was the 1st to see bacteria. |
| The cell theory- | 1- All organisms are made of 1 or more cells. 2- The cell is the basic unit of all living things. 3- All cells come from existing cells. |
| How can the yolk of an egg be so big? | It doesn't need to take in nutrients. |
| The cell membrane- | The protective outer layer of a cell. |
| Cytoplasm- | The fluid inside a cell. |
| Organelles- | The structures that have specific functions inside the cell. |
| Genetic material- | The cell's deoxyribonucleic acid has all the information needed for the cell. |
| What are the 2 kinds of cells? | Prokaryotic & eukaryotic. |
| Bacteria- | These omnipresent cells are prokaryotic. |
| Archaea- | These extremophiles are prokaryotic cells. |
| Eukaryotic cells- | These have a nucleus & membrane-bound organelles. |
| 4 kinds of eukaryotes- | Animals, plants, fungi, & protists. |
