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.