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.
President Kennedy was assassinated in Dallas, Texas, at 12:30 pm Central Standard Time on Friday November 22, 1963, while on a political trip to Texas to smooth over frictions in the Democratic Party between liberals Ralph Yarborough and Don Yarborough (no relation) and conservative John Connally.