Fig.1. Cell Division (IMAGE) Osaka University Caption During cell division, an increase in Mg<sup>2+</sup>, which is released by the ATP hydrolysis, contributes to chromosome condensation. Credit National Institute of Genetics & Osaka University 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.