Reference no: EM132537689

Aseptic Technique and Use of Media Student Name Date Lot Number(s)

Record the lot number for the bacterial species used in this investigation, printed on the label of the original lyophilized culture vial.

Species Lot number

Escherichia coli

Photos

Photo 1

Insert the photo(s) of your cultures taken after 48 hours of incubation.

Photo 2

Insert the photo(s) of your cultures taken after 48 hours of incubation.

1. Do you think there were any deficiencies in your aseptic technique, and if so, can you identify them? Explain your answer. If there were no deficiencies in your aseptic technique, identify at least one potential way through which contamination could occur while working with cultures.

2. Which was most challenging for you in terms of aseptic technique: transfer from broth to broth, broth to slant, or broth to plate? Explain your answer.