Mitochondria Multiply at Different Rates (image) University of Veterinary Medicine -- Vienna Share Print E-Mail Caption Already a few dysfunctional mitochondria (in yellow on top of the picture) could cause a disease by overgrowing functional ones (in blue). Credit Illustration: Iain Johnston Usage Restrictions The illustration may only be used in the context of this press release. 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.