BSCS Biology: A Molecular Approach

Chapter 9: Expressing Genetic Information

Viruses

1.
Viruses replicate and evolve, yet they have no _______.
A)cells
B)DNA
C)proteins
D)RNA
2.
What kind of virus is shown in the illustration

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A)influenza
B)HIV
C)T2 bacteriophage
D)cold
3.
In which kind of viral replication is viral DNA copied along with bacterial DNA when the cell divides?
A)retroviral
B)reverse transcription
C)lysogenic
D)Ebola
4.
Antibiotics are effective for bacterial infections because they disrupt bacterial _______.
A)DNA
B)synthesis
C)host cells
D)metabolism
5.
What viruses reverse the roles of DNA as template and RNA as copy?
A)retroviruses
B)disarmed viruses
C)respiratory viruses
D)bacteriophages
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