VIRUSES lesson 4: Bacteriophages Quizellenjmchenry2022-07-18T21:51:40-04:00 Please sign up for the course before taking this quiz. There are many herpes family viruses that don’t infect humans.1 True False What does the poliovirus do in its replication complexes?1 Makes copies of its genome Makes capsid proteins Assembles the capsids Does its entire life cycle Proteins “scissors” (proteases) can cut any protein.1 True False Which virus chops and shreds cellular DNA inside the nucleus?1 both polio herpes neither Both polio and herpes are viruses that like to migrate into nerve cells.1 True False Which of these is NOT a job done by one of herpes’ tegument proteins?1 Chopping and shredding cellular mRNAs Starting the production of immediate early mRNAs. Attaching to a receptor on the surface of a cell. Helping the capsid get out of the nucleus. Polio and herpes are equally destructive to Golgi bodies.1 True False Why does herpes stop the ER from making MHC1 flags?1 So more ATP energy will be available for making viral proteins. So the infected cell can't alert immune system cells about the viral activity going on inside. So the cell will lose its ability to identify itself. Which of these is NOT true about poliovirus?1 It doesn't carry any protein tools in its capsid. It has a small genome. It has an IRES region at the 5 prime end of its RNA. It leaves the cell by budding. Chickenpox is not really a pox family virus.1 True False Which of these cell receptors does poliovirus use?1 MHC1 CD4 sialic acid CD155 ACE2 heparan sulfate Which one of these events in the life cycle of herpes occurs outside the nucleus?1 Assembly of the capsids Replication of the genome Manufacturing of glycoproteins Transcription of mRNAs How long can a herpes virus stay in its lysogenic (dormant) stage?1 For almost a year. Until the host reaches adulthood. Until the host catches another virus. For several months. For the lifetime of the host. Which of these is NOT true of herpes simplex?1 Most people are infected with at least one type of herpes virus. It assembles its capsids in the nucleus. It enters the body through intestinal cells. It has several different kinds of glycoprotein spikes. From which cell part does herpes get its envelope?1 from the Golgi body from the ER from the outer (plasma) membrane from the nucleus VIRUSES lesson 3: History of discovery VIRUSES lesson 5: How Viruses Enter Cells Back to: VIRUSES lesson 4: Bacteriophages
