Donna Zhang, University of Arizona (image) University of Arizona Share Print E-Mail Caption Zhang's research group studies the molecular mechanisms cells use to protect themselves from damage caused by toxicants and carcinogens. Credit Daniel Stolte/ University of Arizona News Usage Restrictions This visual may only be used in conjunction with reporting/ posting of this news release. Image/ video credit must be included exactly as indicated. 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.