Download Cell Theory Lab-honors-bio

CELL THEORY LAB
Honors Biology
INTRODUCTION:
Cells are the basic unit of life because they are the simplest structure that displays all the characteristics of life.
Five different scientists’ work led to a very important Cell Theory. You will examine various samples of cells
that were important to the contribution of the Cell Theory.
PURPOSE:
The purpose of this laboratory experience is to allow you to observe, compare and draw cells you view under
the microscope.
PROCEDURE:
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Obtain a microscope from the cabinet. (carry the microscope carefully and correctly)
Obtain the following slides for examination and comparison:
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Cork – label cell wall
Diatom
Onion (Plant) – label cytoplasm, cell wall and nucleus
Red blood cell – label cell membrane and cytoplasm
Sickle cell – label cell membrane and cytoplasm
Lung
Coal miners lung
Prepare your own cheek slide.- label nucleus, cell membrane, cytoplasm
Using color pencils, draw each of the slides (in the data section of your lab) and label the parts listed
after each specimen above. Be sure to include the name and magnification of each slide.
Note any of your observations in the data section.
Complete conclusion questions.
Conclusions for Cell Microscope Lab
Honors Bio.
1. How did observing the cork allow Robert Hooke to begin development of the cell theory?
2. How did observing the diatom help Anton Van Leeuwenhoek to contribute to the cell theory?
3. How did observing plant cells allow Matthias Schleiden contribute to the cell theory?
4. How did observing cheek cells allow Theodor Schwann to contribute to the cell theory?
5. How did Rudolf Virchow contribute to the cell theory?
6. How is structure of a cell related to its function?
7. How does the size of a red blood cell contribute to its function?
8. Calculate the surface area : volume ratio of each of the cells of a 2 cm cuboidal and 7 cm cuboidal cell.
(show all math).
9. How is the size of a cell related to how efficiently the cell brings in items it needs to maintain homeostasis?
10. Which two organelles are visible in the plant cell that are not in the animal cell?
11. Explain the proper way to make a wet mount slide?
12. Explain the proper way to focus a microscopic specimen?
13. Our ocular lens magnifies 10x. If you are using a 40x objective lens, what would the total magnification?
14. Which type of electron microscope would be used for the following: a). the changes in shape of a living
human white blood cell; b). the finest details of the surface texture of the human hair; c). the detailed
structure of an organelle in a human liver cell.
15. Describe the difference in appearance between a coal miners lung and a normal lung?
16. What is the major function of our lungs?
17. In which area of the lung does gas exchange occur?