Color Reaction Shows Functionality (video) University of Basel Share Print E-Mail Loading video... Caption In molecular factories injected into zebrafish embryos, a color reaction occurs when the trapped enzyme (peroxidase) is working. The researchers thus prove that the combination of synthetic organelles and natural vesicles also works in the living organism. Credit University of Basel Usage Restrictions None 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.