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 Mystery of Ode to Billy Joe. In the summer of 1967 country singer Bobbie Gentry (b. 1944) released a single entitled Ode to Billie Joe. Its breezy bluegrass melody and catchy chorus made for an instant hit, and Billie Joe leapt to the top of the charts.ondering why Billy Joe jumped off the bridge-or what was being thrown off the bridge-is missing the sheer brilliance of the song. Only a true conspiracy theorist would think that there are answers to these questions that somehow haven't surfaced after all these years.