1. What are the three most common shapes of prokaryotes – their formal and “common” name?

2. What is the cell wall made of and how does that relate to the concept that some bacteria are identified as Gram Positive and some Gram Negative?

3. Describe the prokaryotic flagellum and discuss how this flagellum is different from eukaryotic organisms?

4. How do membranes perform specialized roles in prokaryotes?

5. What is the adaptive advantage of endospores?

6. What is nitrogen fixation and why is it important?

7. What are the three broad categories of organisms in Domain Archaea?

8. Explain how prokaryotic organisms assist in the following roles:
a. Decomposers

b. Symbiotic relationships

9. What does pathogenic mean in relation to prokaryotic organisms?

10. Compare and contrast exotoxins and endotoxins.

11. Use the blank phylogeny of prokaryotes below – copy the appropriate headings and then use the table 27.2 information and make notes of this table onto this blank phylogeny. This table information is very useful!