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