VIRUSES lesson 4: Bacteriophages Quizellenjmchenry2021-10-01T23:31:57-04:00 Please sign up for the course before taking this quiz. What does “morphology” refer to?1 size classification shape change The lytic cycle allows the virus to hide for a long time.1 True False What is the function of a phage’s tail fibers?1 To let it walk around. To inject the DNA. To poke holes in the surface of the bacteria. To attach to a receptor on the surface of the bacteria. Which of these diseases did d’Herelle not try to cure with phages?1 yellow fever plague typhus cholera dystentery How fast can a bacteriophage do its entire replication process inside a cell?1 30 seconds 3 hours 24 hours 30 minutes Viral DNA is not the same as bacterial DNA.1 True False What type of bacteria does T4 attack?1 Typhus Yersinia pestis Coccobacillus E. coli Dysentery What does a ribosome do?1 makes proteins duplicates DNA assembles virus parts dissolves proteins Which continent did d”Herelle never visit?1 Antarctica Asia Africa North America South America Bactetiophages can slowly walk using their “legs” (tail fibers).1 True False Which one of these is NOT a bacteria part?1 membrane nucleoid cytoskeleton ribosome endoplasmic reticulum Some enzymes can dissolve (break apart) proteins.1 True False Every living cell is surrounded by at least one membrane made of lipids.1 True False Which one of these is NOT a viral part?1 capsid tail membrane DNA collar What disease does “Yersinia pestis” bacteria cause?1 Bubonic plague cholera typhus yellow fever dystenery VIRUSES lesson 3: History of discovery VIRUSES lesson 5: How Viruses Enter Cells Back to: VIRUSES lesson 4: Bacteriophages
