STRAIGHTERLINE Microbiology BIO 250L Lab 2 Introduction to Culturing & Aseptic Technique 2022 COMPLETE LAB WORKSHEET

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1. Which plate grew the most bacterial species (based on number of different colonies)? Was this a surprise? Why or why not?” Table #3 grew the most bacterial species. The kids have been eating an... d putting their toys on the table the whole day so I wasn’t surprised that it had the most bacteria. “2. Was the control plate free of bacterial colonies? If yes, what does this mean for your experiment? If not, what could be the source of the contamination?” The control plate was free of bacteria because I was very careful when I was opening the plate to make sure it was not getting contaminated. “3. Did the airborne contamination plate contain any growth? Were any of the colonies similar in appearance to those found on the other plates? How does this plate demonstrate the need for following aseptic technique when culturing bacteria?” [Show More]

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