1. Microbiology B.E Pruitt & Jane J. Stein AN INTRODUCTION EIGHTH EDITION TORTORA FUNKE CASE Chapter 8, part B Microbial Genetics

2. Translation Figure 8.10.1

3. Translation Figure 8.10.2

4. Translation Figure 8.10.3

5. Translation Figure 8.10.4

6. Translation Figure 8.10.5

7. Translation Figure 8.10.6

8. Translation Figure 8.10.7

9. Translation Figure 8.10.8

10. Translation Figure 8.11

11. Constitutive enzymes are expressed at a fixed rate Other enzymes are expressed only as needed –Repressible enzymes - tryptophan operon –Inducible enzymes - lac operon Regulation of Bacterial Gene Expression

12. Repression Figure 8.13

13. Operon Figure 8.14.1 The regulatory gene may be at a distant site from the operon.

14. Regulation of Gene Expression Figure 8.14.2

15. Regulation of Gene Expression Figure 8.14.3

16. Regulation of Gene Expression Figure 8.14.4

17. Regulation of Gene Expression Figure 8.14.5

18. Regulation of Gene Expression Figure 8.15

19. Web Sites with animation http://www.people.virginia.edu/~rjh9u/lacoperonanim.html http://www.dartmouth.edu/~cbbc/courses/movies/LacOperon.html http://www.cat.cc.md.us/courses/bio141/lecguide/unit4/genetics/protsyn/regulation/ion oind.htmlhttp://www.cat.cc.md.us/courses/bio141/lecguide/unit4/genetics/protsyn/regulation/ion oind.html