Facilitated diffusion is a passive transport mechanism in which carrier proteins shuttle molecules across the cell membrane without using the cellâs energy supplies.
Linda Brown was born on February 20, 1942, in Topeka, Kansas, to Leola and Oliver Brown. Though she and her two younger sisters grew up in an ethnically diverse neighborhood, Linda was forced to walk across railroad tracks and take a bus to grade school despite there being a school four blocks away from her home.
For the Australian rules footballer, see Campbell Brown (footballer). Alma Dale Campbell Brown (born June 14, 1968) is an American television news reporter and anchorwoman. She served as co-anchor of the NBC news program Weekend Today from 2003 to 2007, then hosted the series Campbell Brown on CNN from 2008 to 2010. Brown won an Emmy Award as part of the NBC team reporting on Hurricane Katrina. Since 2013 she has served as an education reform and school choice activist.