Download Test Review: Unit 4 Cells and microscopes What is a prokaryote

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Transcript
Test Review: Unit 4
Cells and microscopes
1. What is a prokaryote?
2. What is an example of an organism that has prokaryotic cells?
3. What is a eukaryote?
4. What is an example of an organism that has eukaryotic cells?
5. What is an organelle?
6. List 4 ways that prokaryotes are different from eukaryotes.
7. Draw and label a bacteria, an animal and a plant cell
8. What 4 organelles do all cells have?
a.
b.
c.
d.
9. What organelles are found in plant cells but not animal cells?
10. What are the functions of the following organelles?
a. Cell membrane:
b. Cell wall:
c. Cytoplasm:
d. Ribosomes:
e. Nucleus:
f. Endoplasmic reticulum:
i. Smooth E.R.:
ii. Rough E.R.:
g. Golgi body (apparatus):
h. Central vacuole:
i. Chloroplast:
j. Mitochondria:
k. Lysosome:
11. Which organelle is comparable to the human excretory system?
12. Which organelle would you expect to find a lot of in cells that need a
lot of energy?
13. What is cell differentiation?
14. What is the function of:
a. Epithelial cells:
b. Bone cells:
c. Nerve cells:
15. What determines the function of a cell?
16. Which organelle contains the instructions that built these cells? Why
aren’t the cells all the same?
17. What allowed scientists to come up with the cell theory?
18. While using a microscope, you are asked for the total magnification of
a specimen. How do you find the total magnification?
19. Label parts of the microscope:
20. When preparing a wet mount of a specimen, why are stains like
methylene blue used?
21. Which direction would you move this slide to center the cell in the field
of view?
22. What is the diameter of this cell?
23. Why do you use low power to find a specimen instead of high power?