VIRUSES lesson 4: Bacteriophages Quizellenjmchenry2022-06-02T15:24:14-04:00 Please sign up for the course before taking this quiz. 1. What disease does “Yersinia pestis” bacteria cause?1 cholera typhus Bubonic plague yellow fever dystenery 2. Every living cell is surrounded by at least one membrane made of lipids.1 True False 3. Which continent did d”Herelle never visit?1 Asia Antarctica South America North America Africa 4. Which one of these is NOT a viral part?1 membrane collar DNA capsid tail 5. Viral DNA is not the same as bacterial DNA.1 True False 6. What type of bacteria does T4 attack?1 E. coli Dysentery Yersinia pestis Coccobacillus Typhus 7. What is the function of a phage’s tail fibers?1 To attach to a receptor on the surface of the bacteria. To poke holes in the surface of the bacteria. To let it walk around. To inject the DNA. 8. What does “morphology” refer to?1 size classification change shape 9. Which one of these is NOT a bacteria part?1 nucleoid endoplasmic reticulum cytoskeleton ribosome membrane 10. Bactetiophages can slowly walk using their “legs” (tail fibers).1 True False 11. What does a ribosome do?1 duplicates DNA makes proteins dissolves proteins assembles virus parts 12. Some enzymes can dissolve (break apart) proteins.1 True False 13. How fast can a bacteriophage do its entire replication process inside a cell?1 3 hours 24 hours 30 seconds 30 minutes 14. Which of these diseases did d’Herelle not try to cure with phages?1 yellow fever typhus plague cholera dystentery 15. The lytic cycle allows the virus to hide for a long time.1 True False VIRUSES lesson 3: History of discovery VIRUSES lesson 5: How Viruses Enter Cells Back to: VIRUSES lesson 4: Bacteriophages