DNA RNA. DNA RNA OH OH OH OH Polymerize 5’  3’ Read 3’  5’

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Presentation transcript:

DNA RNA

OH OH OH OH

Polymerize 5’  3’ Read 3’  5’

(hnRNAs)

3 steps in Transcription Process: Initiation Elongation Termination

Prokaryotes Transcription

Summary

Eukaryotic Transcription

14 proteins Initiation

RNA Stability Nuclear Export Facilitate Translation

RNA Splicing

U1 snRNP U2 snRNP + Proteins

From RNA  Protein

The Code

3 steps in Translation Process: Initiation Elongation Termination

tRNA

Ribosomes & rRNA

5S 28S 18S 5.8S 60S 40S 80S

From initiation to termination Translation

Initiation

Prokaryote polycistronic

Elongation

Peptidyl transferase

Termination

STEP 4

Translation Regulation

Polyribosomes

Prokaryote

Eukaryote Specific “Knock-Down”

Dicer

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