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.
Louise Brown. For other people named Louise Brown, see Louise Brown (disambiguation). Louise Joy Brown (born 25 July 1978) is an English woman known for being the first human to have been born after conception by in vitro fertilisation, or IVF.