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. Both polio and herpes are viruses that like to migrate into nerve cells.1 True False 3. Which of these is NOT a job done by one of herpes’ tegument proteins?1 Chopping and shredding cellular mRNAs Attaching to a receptor on the surface of a cell. Helping the capsid get out of the nucleus. Starting the production of immediate early mRNAs. 4. Which of these is NOT true of herpes simplex?1 It enters the body through intestinal cells. 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. 5. Which virus chops and shreds cellular DNA inside the nucleus?1 both neither herpes polio 6. Why does herpes stop the ER from making MHC1 flags?1 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. So the cell will lose its ability to identify itself. 7. There are many herpes family viruses that don’t infect humans.1 True False 8. From which cell part does herpes get its envelope?1 from the ER from the nucleus from the Golgi body from the outer (plasma) membrane 9. Which one of these events in the life cycle of herpes occurs outside the nucleus?1 Transcription of mRNAs Assembly of the capsids Replication of the genome Manufacturing of glycoproteins 10. Which of these is NOT true about poliovirus?1 It leaves the cell by budding. It doesn't carry any protein tools in its capsid. It has an IRES region at the 5 prime end of its RNA. It has a small genome. 11. Which of these cell receptors does poliovirus use?1 ACE2 sialic acid MHC1 heparan sulfate CD155 CD4 12. How long can a herpes virus stay in its lysogenic (dormant) stage?1 For the lifetime of the host. For several months. For almost a year. Until the host reaches adulthood. Until the host catches another virus. 13. Proteins “scissors” (proteases) can cut any protein.1 True False 14. 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 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
