Bloody Sunday was an event that occurred in Selma, Alabama on March 7, 1965 in which Alabama State troopers and local law enforcement forcefully broke-up a group of 600 civil rights marchers. The event was televised and the apparent brutality of the images helped sway the opinion of the American people in favor of the US civil rights movement.
... a proton-motive force, pumping H+ ions across the membrane; this produces a concentration gradient which can be used to power ATP synthase. This pathway is known as ...