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