B Cells Change Their Genes to Make Antibodies (image) Babraham Institute Share Print E-Mail Caption This is a microscopy image showing collections of mRNA molecules, called RNA granules (green), inside B cells that are altering their genes to produce antibodies. DNA is shown in blue. Credit Dr Manuel Díaz-Muñoz Usage Restrictions Credit: Dr Manuel Díaz-Muñoz 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.