This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Scheme facilitated diffusion in cell membranees.svg La difusin facilitada involucra el uso de un protena para facilitar el movimiento de molculas travs de la membrana En algunos casos las molculas pasan travs de canales con la protena En otros casos la protena cambia su forma permitiendo que las molculas pasen travs de ella Translation