Avery’s Experiment.

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Presentation transcript:

Avery’s Experiment

Subunit Composition of E.coli RNA Polymerase

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

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

Initiation of RNA synthesis by RNA Polymerase

Movement of RNA Polymerase During Elongation

The Transcription Start Site and the TATA Box

The -35 Region – Important for RNA Polymerase Orientation

Contact Sites of the Promoter Region with RNA Polymerase

Experiments Defining the Lac-Operon

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

Control of Lac-Operon by CAP and LacI Repressor

Leader Sequences of the Tryptophane, Phenylalanine and Histidine Operons

Possible Stem-Loop Structures of the mRNATrp

Mobility of Ribosome as a Function of Tryptophane Concentration

Model of RNA Chain Termination

Rho-dependent Termination