Viral evolution morphology and classification
Rabies virus
A scientist discovers a new virus with a linear, RNA genome surrounded by a helical capsid. The virus is most likely a member of which family based on structure classification? Influenza viruses . Herpesviruses . Retroviruses . Rabies virus .
Vary in shape
Viruses_______. all have a round shape . cannot have a long shape . do not maintain any shape . vary in shape .
Regressive
The observation that the bacteria genus Chlamydia contains species that can only survive as intracellular parasites supports which viral origin hypothesis? Virus-first . Progressive . Regressive . Self-replicating
Envelope, capsid
The viral ________ play(s) a role in attaching a virion to the host cell. core . envelope . capsid
Viruses are acellular
Which statement is true? Viruses replicate outside of the cell. . A virion contains DNA and RNA. . Most viruses are easily visualized with a light microscope. . Viruses are acellular. .
