Model of Operon Life Cycle (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Adam Arkin and Morgan Price with model of operon life cycle. Credit Roy Kaltschmidt, Lawrence Berkeley National Laboratory Usage Restrictions None License Licensed 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.