VIRUSES lesson 4: Bacteriophages Quizellenj2022-06-02T15:24:14-04:00 Please sign up for the course before taking this quiz. 1. Which continent did d”Herelle never visit?1 South America Asia Antarctica Africa North America 2. Every living cell is surrounded by at least one membrane made of lipids.1 True False 3. Which of these diseases did d’Herelle not try to cure with phages?1 cholera yellow fever typhus dystentery plague 4. Which one of these is NOT a viral part?1 capsid collar membrane DNA tail 5. The lytic cycle allows the virus to hide for a long time.1 True False 6. What does a ribosome do?1 dissolves proteins makes proteins duplicates DNA assembles virus parts 7. Some enzymes can dissolve (break apart) proteins.1 True False 8. Bactetiophages can slowly walk using their “legs” (tail fibers).1 True False 9. Which one of these is NOT a bacteria part?1 cytoskeleton ribosome endoplasmic reticulum nucleoid membrane 10. How fast can a bacteriophage do its entire replication process inside a cell?1 30 minutes 30 seconds 3 hours 24 hours 11. What disease does “Yersinia pestis” bacteria cause?1 cholera dystenery yellow fever Bubonic plague typhus 12. Viral DNA is not the same as bacterial DNA.1 True False 13. What type of bacteria does T4 attack?1 Typhus Yersinia pestis E. coli Dysentery Coccobacillus 14. What does “morphology” refer to?1 shape size change classification 15. What is the function of a phage’s tail fibers?1 To poke holes in the surface of the bacteria. To inject the DNA. To attach to a receptor on the surface of the bacteria. To let it walk around. VIRUSES lesson 3: History of discovery VIRUSES lesson 5: How Viruses Enter Cells Back to: VIRUSES lesson 4: Bacteriophages
