1. Basic Molecular Genetic Mechanisms
By: Heather Allen

2. Transcription Process of making RNA from DNA Initiation Elongation
Termination

3. The Basic Mechanism of Transcription
Figure 4-15

4. Structure of RNA Polymerase
Pg 111
Structure fundamentally similar
Two related large subunits
Two copies of a smaller subunit
One copy of a fifth subunit

5. Transcription (Cont.) Prokaryotes Eukaryotes RNA produced continuously
No Clustering

6. Modification of mRNA Two pieces End pieces Introns Exons 5’ Cap
Poly A-Tail

7. RNA Processing in Eukaryotes
Figure 4-19