MIC 102 Final Test Questions with Correct Answers

MIC 102 Final Test Questions with Correct Answers How would you describe a bacterium that has many flagella originating at a single pole of the cell? A. axial filament B. lophotrichous c. monotrichous d. pertrichous e. perpendicular filament - Answer-B. lophotrichous Some "microbial" species like Epulopiscium fishelsoni can grow large enough to be seen by the naked eye. What does a cell typically have to do to be able to handle the most critical problem of growing to such a large size? a. creates a series of internal gas vesicles to increase buoyancy b. creates a smooth surface to decrease the cell's surface area c. creates folds in the cell membrane to increase the cell's surface area. d. cover cell in a layer of crystalline layer of protein to provide rigidity. - Answer-c. creates folds in the cell membrane to increase the cell's surface area. Bacterial Topoisomerase can facilitate which of the following activities. - Answer- converting a negatively supercoiled chromosome to the relaxed state converting a positively supercoiled chromosome into the relaxed state DNA synthesis on the lagging strand: - Answer--Requires DNA ligase enzyme activity to complete. -requires multiple instances of primase activity as it progresses If you wanted to track the localization of the FtsZ protein in living cells, which type of microscopy would you use? - Answer-fluorescence