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