Side by side comparison of ribosomes (IMAGE) Center for Genomic Regulation Caption : Side by side comparison of a ribosome containing either RPL3 (red) or RPL3L (blue). The ribosomes are almost identical with the exception of the tail, which affects its surface and how it interacts with other proteins and receptors. Credit Eva Novoa/Centre for Genomic Regulation Usage Restrictions Credit must be given to the creator. License CC BY 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.