1. CH. 5 PROKARYOTIC GROWTH

2. TBL05_01: Some microbial record holders

3. Figure 05.01: Atacama Desert © Photodisc/age fotostock

4. Figure 05.02a: Binary fisson of bacteria

5. Figure 05.02b: A false color TEM of a cell of Bacillus licheniformis undergoing binary fission © Lee Simon/Photo Researchers, Inc.

6. Figure 05.03: A skyrocketing bacterial population

7. Growth curve plotted in logs and arithmatically

8. Figure 05.04: Bacterial growth curve

9. Figure 05.05a: Bacterial colony on blood agar Courtesy of Dr. J. J. Farmer/CDC

10. Figure 05.05b: Salmonella typhi culture Courtesy of CDC Note the slimy colonies of Salmonella typhi, denoting capsules

11. Figure 05.06b: Bacillus anthracis spore © Scott Camazine/Alamy Images

12. Figure 05.06c: Germinating spore Courtesy of Janice Carr/CDC

13. Figure 05.07: The formation of a bacterial spore

14. BACTERIAL GROWTH IS AFFECTED BY MANY FACTORS

15. TBL05_01: Some microbial record holders

16. Oxygen can support or hinder growth

17. Figure 05.09abc: Bacterial cultivation in different gas environments © Scott Coutts/Alamy Images

18. Figure 05.10: The effect of oxygen on prokaryotic growth

19. Hyperbaric chamber

20. Most bacteria like to grow at a neutral pH Optimal pH for growth

21. TBL05_02: Composition of complex & chemically defined growth media

22. TBL05_03: A comparison of bacterial media

23. Figure 05.12a-e: The streak plate isolation method Courtesy of James Gathany/CDC

24. Population growth can be measured in several ways Turbidity Direct measurements Indirect methods

25. Counting Bacteria by MPN (most probable number)

26. Figure 05.13: Direct counting procedure using the Petroff-Hausser counting chamber

27. Counting bacteria by filtration

28. Counting bacteria by measuring turbidity in a broth culture

29. Figure 05.14: The standard plate count © R.A. Longuehaye/Photo Researchers, Inc.

30. BACTERIAL DEATH Bacteria die at a constant rate

31. Death Curve