A Virus Is Specific to a Particular Type of Host

Multiple Choice

A virus is specific to a particular type of host cell because

A) only certain hosts enter the environment inhabited by the virus.
B) not every virus contains metabolic machinery which can replace that of the host cell.
C) a glycoprotein spike or a portion of the capsid adheres to a receptor on the surface of a compatible host cell.
D) a host cell must be malfunctioning, or a virus cannot infect it.
E) the genome of the virus must be similar to that of its potential host.