cell membrane. The thin membrane that forms the outer surface of the protoplasm of a cell and regulates the passage of materials in and out of the cell. It is made up of proteins and lipids and often contains molecular receptors. The membranes of organelles within the cell are made of the same basic material as the cell membrane. In plant cells, the cell membrane is surrounded by a rigid cell wall. Also called plasma membrane. Compare cell wall. See more at cell.
DNA tests have confirmed that a homeless man found dead beneath an overpass in San Diego was Elvis Presley. This claim is a hoax. âEarlier this month, an 80-year-old, homeless, white-bearded man was found deceased under an overpass in San Diego, California.
The story begins when a man in a checkered suit drives up in a Cadillac Eldorado to deliver Billy's royalty checks from posing for postcards. Billy the Mountain becomes very excited by his wealth and accidentally drops a boulder on the man's car, crushing it.illy is a typical mountain who poses for postcards, living with his wife Ethel, a tree, between the cities of Rosamund and Gorman, California. The main features on his mountainous face are two large caves, resembling eyes, and a cliff for a jaw, which moves up and down when he talks, puffing up dust and boulders.