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.
Graceland in Memphis, Tennessee, is the home of Elvis Presley, the King of... Graceland in Memphis, Tennessee, is the home of Elvis Presley, the King of Rock 'n' Roll. Elvis Presley's Graceland is open daily with tours of Graceland Mansion, the Elvis Presley Car Museum, Elvis custom jets and other limited time exhibits. The tour of Graceland Mansion features an interactive, iPad tour with additional enhancements including photos, video and more.