1. Prokaryotic Cells

2. Prokaryotic Cell Shapes Bacillus Coccus Spirillus

3. Prokaryotic Nucleoid: Prokaryotic “Chromosome” (and Plasmids)

4. Prokaryotic Cell Division: “Binary Fission”

5. Gut Bacteria: Escherischia coli

6. Gut Bacteria: Lactobacillus acidophilus Lactose (Milk Sugar)Lactic Acid Fermentation

7. Gut Bacteria: “Ruminants” “Rumen”

8. Pathogenic Bacteria: Bacillus anthracis

9. Streptococcus pyogenes Pathogenic Bacteria: Streptococcus pyogenes

10. Borrelia burgdorferi Pathogentic Bacteria: Borrelia burgdorferi

11. Pathogenic Bacteria: “STD’s” Syphillus Gonorrhoea Chlamydia

12. Pathogenic Bacteria: Xanthomonas

13. Photosynthesizers: Anabaena (Cyanobacteria) Light Energy

14. Chemical Energy Chemosynthesizers Tube Worms Symbiotic Bacteria Deep Sea Vent

15. Decomposers

16. Nitrogen Fixers: Rhizobium Nitrogen Fixation: N2N2 NH 4 + Alfalfa

17. Nitrogen Recyclers: Nitrosomonas, Nitrobacter NH 4 + NO 2 - NO 3 - AmmoniumNitriteNitrate

18. Extreme Thermophiles

19. Extreme Halophiles

20. Methanogens Survive in Anaerobic Conditions Many Use C0 2 (NOT O 2 ) as an Electron Acceptor in Respiration Produce Methane (CH 4 ) as a Byproduct

21. Three Domains of Life: Eubacteria, Archaea, Eukarya (Eubacteria, Archaea are Prokaryotic)

22. Prokaryotic Cells: Oldest Life in Fossil Record 3.5-3.6 Billion Years Old4.6 Billion Years Old

23. Putative Origin of Mitochondrion and Chloroplast Cyanobacterium Purple Non-Sulphur Bacterium