General Microbiology TEST 1 Review

1. Be able to identify the parts of the bacterium cell, with emphasis on Figure 3.4

2. What are Archaea and how is an Archaeal cell different and similar to cells from Bacteria.

3. Explain the principle behind the use of the Pasteur flask in studies on spontaneous generation.

4. Outline Koch's postulates.

5. Explain and identify the parts and significance of the endospore.

6. What is chemotaxis?

7. What is the importance of the microscope?

8. What is the chemical composition of peptidoglycan and what is its function in the

Bacterial cell?

How are the gram positive and gram negative cell wall different?

How are they the same?

9. What are the major morphologies (cell shape and arrangement) of prokaryotes?

10. What is the difference between a gram-negative and gram-positive cell envelope

(cell wall + membrane(s))? What is the chemical composition and function of each

layer?

11. What is the importance of the cell wall with relations to staining?

12. Name the internal and external structures that must be or may be in prokaryotic cells

and describe their chemical make-up or their structure, location within the cell, and

their function.

13. Be able to name the different type of microscopes and what they are used for. Not

in a great amount of detail.

14. Both lysozyme and penicillin bring about bacterial cell lysis but by different

mechanisms. Describe the mechanism by which each of these agents causes cell

lysis.

15. Be able to explain the significance of Louis Pasteur and the role he played in the

history of microbiology.

16. Why do we study micrfobilogy?

17. Understand Magnification and Resolution

18. Differential Stanining

19. Size, Shape and Arrangement of bacteria

20. Details about the Procaryotic Cell Structure: KNOW BACKWARD AND FORWARD!!