Chapter 7-1 Life Is Cellular.....................Name____________________________

microscope1. The discovery of the cell was possible due to the invention of the _________________________
2. Who was the first person to see cells? ______________________
3. Why did he call them cells? _______________________________
4. Who was the first person to see tiny organisms living in water?
5. List the three components of the CELL THEORY
6. High resolution video technology can be used to produce moves of cells as they ______________________________________

7. Transmission electron microscopes can be used to explore cell ______________________ and large _________________molecules

8. Scanning electron microscopes produce [ 2D | 3D | 4D ] images of the cell. (circle)
9. Specimens viewed under electron microscopes must first be [ preserved | stained ]. (circle)

10. Using the timeline, place the following in order of their discovery, from the earliest to the latest
____ All plants are made of cells
____ Cells organelles may have once been free-living organisms
____ The first cells were seen and a book published with drawings
____ All animals are made of cells
____ Observation of organisms living in pond water
____ Cells can only come from other cells

11. What type of microscope is needed to observe single atoms? __________________________
12. What two things do ALL cells have? ______________________________________________
13. Define nucleus: ______________________________________________________________
14. Cells are categorized depending on whether or not they have a ________________________
15. The greek word "eu" means _____________ whereas "pro" means _____________________
16. Prokaryote cells have _________________material that is not contained in a _____________
17. What type of organisms are prokaryotes? _______________________________________
18. Prokaryotes grow, reproduce and ______________________________________________
19. What four organisms are classified as eukaryotes? __________________________________
20. Eukaryotic cells are [ smaller | larger ] than prokaryotes.