![R-Ras2 is required for germinal center formation to aid B cells during energetically demanding processes | Science Signaling R-Ras2 is required for germinal center formation to aid B cells during energetically demanding processes | Science Signaling](https://www.science.org/cms/10.1126/scisignal.aal1506/asset/d41fa207-a83c-44a9-ad7e-fc684801964d/assets/graphic/aal1506-f7.jpeg)
R-Ras2 is required for germinal center formation to aid B cells during energetically demanding processes | Science Signaling
![R-Ras2 is required for germinal center formation to aid B cells during energetically demanding processes | Science Signaling R-Ras2 is required for germinal center formation to aid B cells during energetically demanding processes | Science Signaling](https://www.science.org/cms/10.1126/scisignal.aal1506/asset/8a1cf73c-0051-4b41-b6d4-577708e304a3/assets/graphic/aal1506-f5.jpeg)
R-Ras2 is required for germinal center formation to aid B cells during energetically demanding processes | Science Signaling
![R-Ras2 is required for germinal center formation to aid B cells during energetically demanding processes | Science Signaling R-Ras2 is required for germinal center formation to aid B cells during energetically demanding processes | Science Signaling](https://www.science.org/cms/10.1126/scisignal.aal1506/asset/82172b03-06be-4089-88a3-c5bf7cf9ec08/assets/graphic/aal1506-f2.jpeg)
R-Ras2 is required for germinal center formation to aid B cells during energetically demanding processes | Science Signaling
![MIZATTO - Soporte para bicicleta, carriola, carrito de golf, silla de ruedas (negro) 2 unidades : Amazon.com.mx: Deportes y Aire Libre MIZATTO - Soporte para bicicleta, carriola, carrito de golf, silla de ruedas (negro) 2 unidades : Amazon.com.mx: Deportes y Aire Libre](https://m.media-amazon.com/images/I/71Yy7l+iljL._AC_SX679_.jpg)