VIRUSES lesson 4: Bacteriophages Quizellenj2022-07-18T21:51:40-04:00 Please sign up for the course before taking this quiz. 1. Polio and herpes are equally destructive to Golgi bodies.1 True False 2. Which of these is NOT true about poliovirus?1 It has an IRES region at the 5 prime end of its RNA. It doesn't carry any protein tools in its capsid. It leaves the cell by budding. It has a small genome. 3. Proteins “scissors” (proteases) can cut any protein.1 True False 4. Which one of these events in the life cycle of herpes occurs outside the nucleus?1 Replication of the genome Manufacturing of glycoproteins Transcription of mRNAs Assembly of the capsids 5. There are many herpes family viruses that don’t infect humans.1 True False 6. Which of these is NOT true of herpes simplex?1 It assembles its capsids in the nucleus. Most people are infected with at least one type of herpes virus. It has several different kinds of glycoprotein spikes. It enters the body through intestinal cells. 7. Which virus chops and shreds cellular DNA inside the nucleus?1 neither polio both herpes 8. Why does herpes stop the ER from making MHC1 flags?1 So the cell will lose its ability to identify itself. So the infected cell can't alert immune system cells about the viral activity going on inside. So more ATP energy will be available for making viral proteins. 9. Which of these cell receptors does poliovirus use?1 MHC1 heparan sulfate ACE2 CD155 CD4 sialic acid 10. Which of these is NOT a job done by one of herpes’ tegument proteins?1 Starting the production of immediate early mRNAs. Chopping and shredding cellular mRNAs Attaching to a receptor on the surface of a cell. Helping the capsid get out of the nucleus. 11. From which cell part does herpes get its envelope?1 from the nucleus from the Golgi body from the ER from the outer (plasma) membrane 12. Both polio and herpes are viruses that like to migrate into nerve cells.1 True False 13. How long can a herpes virus stay in its lysogenic (dormant) stage?1 For several months. Until the host catches another virus. For the lifetime of the host. For almost a year. Until the host reaches adulthood. 14. What does the poliovirus do in its replication complexes?1 Does its entire life cycle Makes capsid proteins Assembles the capsids Makes copies of its genome 15. Chickenpox is not really a pox family virus.1 True False VIRUSES lesson 3: History of discovery VIRUSES lesson 5: How Viruses Enter Cells Back to: VIRUSES lesson 4: Bacteriophages
