Cell Discoverer

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Discovering Cells
Directions: answer the following questions using complete sentences. Use pages 6C-13C of your textbook. 1. What are cells?

2. When was the first microscope invented?

3. What is a microscope?

4. What is the difference between a simple and compound microscope?

5. Who was one of the first people to observe cells?

6. What did Anton van Leeuwenhoek discover?

7. A Scanning Tunneling Microscope (STM) can magnify a specimen up to how many times?

8. What did Matthias Schleiden discover?

9. What did Theodor Schwann discover?

10. What did Rudolf Virchow discover?

11. Who helped develop the cell theory?

12. What does the cell theory state?

13. What is magnification?

14. How do the lenses in light microscopes magnify an object?

15. What do electron microscopes use to produce magnified images?

Section 1 Assessment
Directions: Use textbook pages 6C-13C to answer the following questions. Answer questions using complete sentences

1. Define structure and function.

b. Explain the statement: Cells are the basic units of structure and function in organisms.

c.In what important function are the cells in your eyes involved with?

2. What does a microscope enable people to do?

b.Summarize Hooke’s observations of cork under a microscope.

c.why would Hooke’s discovery have been impossible without a microscope?

3. What are the main ideas of the cell theory?

b.what did Virchow contribute to the cell theory?

c.Use the ideas of Virchow to explain why plastic plants and stuffed animals are not alive.

4. What is magnification?

b.Contrast the way light microscopes and electron microscopes magnify objects.

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