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25 Cards in this Set
- Front
- Back
Viral nucleic acid.
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either DNA or RNA
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Match the following: lytic phage
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results in viral replication and lysis of host cell
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Antibiotic resistance may be attributed to all of the following except
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lytic phages
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Viruses that transform cells and cause cancerous growth are called
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oncogenic viruses
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T-even bacteriophage genetic material is
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injected into the host cell
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The __________ period is the time between entry of the phage nucleic acid into a host cell and the formation of a completely assembled phage within that host.
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eclipse phase
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HIV possess an envelope because of
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budding release from the host cell
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Viral specificity is attributed to:
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the binding sites
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A virus that infects bacteria is called a
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phage
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Infectious naked strands of RNA are called:
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viroids
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Which of the following is not a stage of viral replication?
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binary fission
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Utilized by the Centers for Disease Control [CDC] to characterize strains of influenza viruses that are anticipated to cause major outbreaks.
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H and N proteins of the envelope
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Viruses that are replicating their DNA and assembling new viral particles are best described as.
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lytic
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Animal viruses may be replicated in the _______________.
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either the cytoplasm or the nucleus
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Match the following: Small Pox
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Variola
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Clear areas produced by lytic bacteriophages on a "lawn" of bacterial host cell.
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plaques
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Viruses are incapable of which of the following independent activities:
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all of the above
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Stage of viral replication in which the virus crosses the host's plasma membrane.
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penetration
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Obligate intracellular parasites consisting of a protein only.
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prion
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Viral capsids
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are formed from capsomeres
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Viruses leave the infected host cell by
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cell lysis or budding
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Entry of a plant virus into a susceptible plant often involves:
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insect bites
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In order for a RNA virus to replicate its genetic information for new viral particles.
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reverse transcriptase will produce a DNA template from the viral RNA
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The correct sequence of events in viral multiplication is:
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adsorption, penetration, replication, maturation, assembly, release
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Once incorporated into the bacterial DNA, the viral DNA is referred to as a _____________.
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prophage
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