Viruses Answers
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Which occurs in both the lytic cycle and the lysogenic cycle?
A
destruction of host cellB
integration of viral and host genetic informationC
production of virus particlesD
hijacking of host cell's metabolism2
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Which virus has a structure that includes an outer lipid bilayer that is studded with proteins?
A
papilloma virusB
rabies virusC
influenza virusD
bacteriophage virus3
Which argument supports the idea that viruses are alive?
A
Viruses have a cell membrane.B
Viruses contain unique genetic information.C
Viruses replicate in a host.D
Viruses do not produce proteins.4
Which best describes the lytic and lysogenic cycles?
A
Unlike the lytic cycle, the lysogenic cycle involves production of virus particles.B
Unlike the lysogenic cycle, the lytic cycle involves destruction of the host.C
Symptoms of infection appear in the lysogenic cycle but not in the lytic cycle.D
For virulent viruses, the lysogenic cycle is the main way of replicating.5
An enveloped virus is dependent on the envelope for its ability to infect a host cell. Which virus most likely uses this mechanism?
A
HIVB
polioC
rabiesD
Ebola6
Consider the shape and structure of the virus in the diagram.Which viral shape is shown?
A
complexB
polyhedralC
helicalD
enveloped7
Which best describes viruses?
A
Viruses are nonliving infectious agents.B
Viruses can replicate without a host cell.C
Viruses can be killed by strong antibiotics.D
Viruses are similar to bacterial cells.8
Which is a basic characteristic of all living cells?
A
cell wallB
protein coatC
energy metabolismD
antibiotic resistance9
Which structure is present in bacteria but not in a virus?
A
nucleic acidB
capsidC
cell membraneD
envelope
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