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.
Probably the most famous on-screen murder of them all, the 35th President of the United States of America, John Fitzgerald Kennedy was assassinated in 1963 in Dallas, by Lee Harvey Oswald, a 24-year-old former Marine who defected to the Soviet Union.