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Which protein is a viral protein?
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- Which protein has the function of making sure that the viral genes can be completely transcribed? 1.N 2.Cro 3.Protease 4.PRA viral protein that is needed to make HIV DNA isa. integrase.b. reverse transcriptase.c. Vpr.d. Gag polyprotein.Prior to entry, the _________ glycoprotein of the HIV virus recognizes the ______ receptor on the surface of the macrophage. a. CCR5; gp120 b. CXCR4; CCR5 c. CD4; CCR5 d. gp120; CD4
- The --------------- retrovirus contains a ______________ genome: Select one: a. chicken pox, circular DNA b. Sars CoVII, double-stranded RNA c. measles, double-stranded DNA d. HIV, Single-stranded RNAViruses encode many ways to antagonize the Pkr pathway. Which is not a direct target of viral Pkr antagonists? Group of answer choices stress granules eIF2-alpha Pkr dsRNAWhich step(s) in the replication cycle of HIV can still occur in the presence of a reverse transcriptase inhibitor? Select all that apply. transcription of viral genes initial viral attachment viral assembly integration of viral DNA into host genome initial viral entry
- Which is not a virus encoded protein that participates in viral DNA synthesis? Group of answer choices Rb protein Origin binding proteins Exonucleases DNA polymerase and accessory proteinsPeople with the CCR5Δ32 mutation of a T-cell surface protein can be exposed to some strains of HIV-1 without becoming sick. What step of the virus life cycle is likely to be inhibited with this mutation? a. Release b. Reverse transcription c. Uncoating d. AttachmentWhich best describe the HIV REV protein? Code for proteins necessary for synthesis of the viral capsids. Code for proteins that is cleaved to produce reserve transcriptase. Binds a specific stem-loop structure in the viral RNAs into cytosol. None of the above.
- The HIV virus produces copies of its genome through: A. DNA replication B. Reverse transcription followed by integration then normal transcription C. RNA replication from an RNA template D. differential splicingIn your own words, explain how the viral proteins that bind host Rb (retinoblastoma) proteins help viruses reproduce.Influenza vaccines must be changed yearly because the amino acid sequence of the viral proteins change gradually over time. Based on this information, which is the most logical conclusion? The influenza virusa) is enveloped. b) is non-enveloped.c) has a DNA genome. d) has an RNA genome.e) causes a persistent infection.
