The surface of viruses includes many copies of one type of protein that binds, or adsorbs, specifically to multiple copies of a receptor protein on a host cell. This interaction determines the host range of a virus and begins the infection process (Figure 6-15).
Civil rights leader Andrew Young, left, and others on the balcony of the Lorraine Motel point in the direction where gunshots came from after the assassination of civil rights leader Martin Luther King Jr. on April 4, 1968.
Abraham Lincoln, the 16th President of the United States, was assassinated by well-known stage actor John Wilkes Booth on April 14, 1865, while attending the play Our American Cousin at Ford's Theatre in Washington, D.C. Shot in the head as he watched the play, Lincoln died the following day at 7:22 a.m., in the Petersen House opposite the theater. He was the first American president to be assassinated; his funeral and burial marked an extended period of national mourning. Occurring near the end