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