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.
E-mail this story to a friend. 1963: Kennedy shot dead in Dallas The President of the United States has been assassinated by a gunman in Dallas, Texas. 1963: Kennedy shot dead in Dallas. John F Kennedy was hit in the head and throat when three shots were fired at his open-topped car.-mail this story to a friend. 1963: Kennedy shot dead in Dallas The President of the United States has been assassinated by a gunman in Dallas, Texas. 1963: Kennedy shot dead in Dallas. John F Kennedy was hit in the head and throat when three shots were fired at his open-topped car.