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.
Marie Van Britton Brown was born on October 30, 1922 , in Jamaica, Queens, New York City. She was an African-American inventor, who in 1966 had the idea for a home surveillanc â¦ e device. Marie Brown applied for a patent along with Albert Brown in 1966 for a closed circuit television security system.