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Bio. U5.5 Yr. 1

QuestionAnswer
What is a coat made of proteins that is unique to each virus? Capsid
What viruses contains RNA and uses the enzyme RNA transcriptase to create double stranded DNA that can be incorporated into the host T-helper cell's genome? HIV
What is NOT true regarding viruses? Viruses contain RNA only. These are true tho: Viruses are made up of nucleic acids and proteins, viruses can infect animals, plants, or unicellular organisms, viruses are considered non-living
True or False? Viruses contain cytoplasm. False
What are features of viruses that allow them to evolve rapidly? Large population size, short generation time, and high mutation rate
Some viruses have an envelope. What is true of the envelope and the viruses that have them? The envelope is found outside the protein capsid, the envelope can contain proteins that help the virus infect cells, the envelope is derived from the host cell's plasma membrane, and most viruses that infect animals have an envelope
What describes the nucleic acids that may be found in viruses? Single-stranded DNA, single-stranded RNA, double-stranded DNA, double-stranded RNA, circular DNA, and linear DNA
True or False? Viruses can grow. False
During_CycleVirus,VirusGeneticMaterialInHostCell,IncorporatedInHostCelDNA.ViralDNAReplicatedWHostCellDNA,SoIt_PassedDownDaughter.HostCell_Killed.During_CycleVirus,HostCell_UsedSynthesizeProteinsFromViralDNA,NewVirusesAssembledCellBurstsReleasingNewViruses lysogenic; is; is not; lytic; ribosomes
What is true of viruses that contain RNA? Positive sense RNA can be used directly as mRNA to be translated into proteins and negative sense RNA must be transcribed first before it can be used to make proteins, but NOT negative sense RNA can be used directly as mRNA to be translated into proteins&
A bacteriophage is a virus that infects... bacteria
Viruses are categorized as obligate parasites. This means that a virus... must invade a host cell in order to replicate
Created by: user-1907392
 

 



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