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Virology I

QuestionAnswer
Nucleic acid of all DNA viruses except _________ is double-stranded Parvoviruses
Most DNA viruses except ______ replicate in the nucleus Poxvirus
Most RNA viruses replicate in the cytoplasm except ________ Orthomyxoviruses and HIV
Nucleic acid of all RNA viruses is single-stranded except _________ Reoviruses
What makes retrovirsues unique? Reverse transcriptase enzyme
Units of protein surrounding the genome Capsids
These viruses - only contain the virion - stable to temperature, pH and chemicals Naked Viruses
These viruses are more fragile and pleomorphic with a typical bilayered membrane Enveloped viruses
What is the first step of viral replication? Adsorption/Attachment
A glycoprotein that is a part of the outer layer of the virus that fuses with the target cell by binding to CD4 and a chemokine receptor Envelope glycoprotein GP120
Viruses that infect bacteria Bacteriophages
Ends with destruction of bacterial cell Lytic cycle
DNA remains integrated into the bacterial cell chromosome, generation after generation Isogenic cycle
A bacteriophage that kills the bacteria every infection cycle Virulent bacteriophage
A bacteriophage that displays Isogenic life cycle Temperate bacteriophage
Created by: aphelion
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