1. Chapter 27 Key Points
Prokaryotes

2. Three Main Shapes
Rod
Spiral
Spherical

3. Basic Structure

4. Motility

5. Capsules, Pili and Fimbriae

6. Gram Staining Gram Positive Gram Negative Peptidoglycan holds stain
Little peptidoglycan to hold stain

8. Methods of Obtaining Energy
Autotrophs
Photoautotrophs
Chemoautotrophs
Heterotrophs
Photoheterotrophs
Chemoheterotrophs

9. Use of Oxygen in Metabolism
Obligate aerobes
Facultative anaerobes
Obligate anaerobes

10. Crucial Roles of Prokaryotes
Decomposers
Symbiotic Relationships
Pathogenic Relationships
Food Production
Bioremediation

11. Two Prokaryotic Domains
Bacteria
Archaea
Table – p. 541