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.
Image from HSCA Analysis (1979) John F. Kennedy was killed by the second of two rifle shots from the rear, the bullet entering the skull and explosively exiting the right side of the skull. This occurred at Dealey Plaza, Dallas, Texas at approximately 12:30 PM CST November 22, 1963.