Programming DNA (image) University of Delaware Share Print E-Mail Caption DNA has an important job -- it tells your cells which proteins to make. Now, a research team at the University of Delaware has developed technology to program strands of DNA into switches that turn proteins on and off. Credit University of Delaware Usage Restrictions University of Delaware Share Print E-Mail 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.