Milestones timeline PDF of all Milestones (1,271KB) 1959 1. Discovery of an enzymatic activity capable of synthesizing RNA 1961 2. The repressor model 3. Random X-inactivation 1965 4. Positive transcriptional control 1966 5. Promoters: the key cis-element 1969 6. Sigma factors and transcriptional initiation 7. Identification of three eukaryotic RNA polymerases 1973 - 1974 19738. Transcriptional el
{{#tags}}- {{label}}
{{/tags}}