A Grid-Like Matrix (IMAGE) Lehigh University Caption A close look at the gel shows it's a grid-like matrix that the enzymes break apart. When holes form the markers have room to wiggle. Credit Photo from animation by Nicolle Fuller/Sayo-Art LLC (sayostudio.com) 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.