The following organelles are part of the endomembrane system: * The cell membrane is a phospholipid bilayer membrane that separates the cell from its environment and regulates the transport of molecules and signals into and out of the cell. * The nuclear envelope is the membrane around the nucleus of the cell.
Take our quiz and find out. (CNN) -- This year will mark 51 years since President John F. Kennedy was assassinated in Dallas on November 22, 1963. Whether you were alive at the time or not, you probably know that Lee Harvey Oswald killed the President, only to be fatally gunned down by Jack Ruby two days later.
Robert F. Kennedy was assassinated 42 years ago in the midst of his campaign for the U.S. presidency. Largely overshadowed by the death of his brother, President John F. Kennedy, the official account of RFKâs tragic end, allegedly shot down by a lone gunman, like his brother, has received vastly less attention.obert F. Kennedy shot in Los Angeles on June 5, 1968. More bullets were fired in the pantry of the Ambassador Hotel than could have come from Sirhan Sirhanâs gun. RFK was shot behind the right ear from about 1.5 inches, but Sirhan was never that close and always in front of him.