Transcription

Molecular image of the hammerhead ribozyme (in blue) bound to RNA (in orange). Ribozymes are catalytic RNA molecules that may have been the first carriers of genetic information. (K. Eward/Biografx/Photo Researchers.)

• RNA in the Primeval World

• RNA Molecules

The Structure of RNA Classes of RNA

• Transcription: Synthesizing RNA from a DNA Template

The Template

The Substrate for Transcription The Transcription Apparatus

• The Process of Bacterial Transcription

Initiation

Elongation

Termination

• The Process of Eukaryotic Transcription

Transcription and Nucleosome Structure

Transcription Initiation RNA Polymerase II Promoters RNA Polymerase I Promoters RNA Polymerase III Promoters Evolutionary Relationships and the TATA-Binding Protein Termination

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