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