RNA polymerase (IMAGE) Rockefeller University Caption One of the first-ever images of the intermediate complexes that form when RNA polymerase encounters DNA. Credit Laboratory of Molecular Biophysics at The Rockefeller University Usage Restrictions Image may only be used to illustrate research described in the accompanying release. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.