1. Avery’s Experiment

2. Subunit Composition of E.coli RNA Polymerase

3. Comparison of E.coli RNA Polymerase and DNA polymerase I and III

4. Binding of RNA Polymerase to DNA
Electronmicrographs of RNA Polymerase Bound to DNA

7. Initiation of RNA synthesis by RNA Polymerase

8. Movement of RNA Polymerase During Elongation

9. The Transcription Start Site and the TATA Box

10. The -35 Region – Important for RNA Polymerase Orientation

11. Contact Sites of the Promoter Region with RNA Polymerase

12. Experiments Defining the Lac-Operon

13. Jacob-Monod Model of Negative Regulation of the Lac-Operon

14. Control of Lac-Operon by CAP and LacI Repressor

15. Leader Sequences of the Tryptophane, Phenylalanine and Histidine Operons

16. Possible Stem-Loop Structures of the mRNATrp

17. Mobility of Ribosome as a Function of Tryptophane Concentration

18. Model of RNA Chain Termination

19. Rho-dependent Termination