Clare Johnston Aseptic Technique Virtual Lab Questions True/False 1.T/F Plastic loops are NEVER flame sterilized? 2.T/F Cleaning a benchtop with 10% alcohol is an acceptable disinfecting method. 3.T/F Students should OPEN a window to being a laboratory experiment. 4.T/F Jewelry should be removed BEFORE staring a laboratory experiment. Short Answer 1.How does practicing good aseptic technique help microbiologists: Helps keep the microbes being used to stay contained so they don't infect other people or things. It also helps so that foreign bacteria wont infiltrate the bacteria we want to study. 2.Why do we clean the bench top with 70% alcohol BEFORE we start our work? This level of concertation kills all the bacteria that could be on the work bench and because of the water content it slows the evaporation time making it more effective. 3.Why close doors and windows before we begin working? Removes drafts and makes it so nothing will fly into the room. 4.When transferring from a broth to a solid, why flame the top of the broth tube? Prevents contamination from environmental bacteria.
