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you make a smear of e. coli and then simple stain the slide with methylene blue. if you failed to use correct aseptic technique by not sterilizing the loop before picking up the bacterial sample for the smear, what results may be seen under the microscope?

Sagot :

Proper sterilization of a culture can be of vital importance for the viewing accuracy of the slide we are preparing.

Sterilizing the loop before picking up the bacterial sample for the smear is, as the question states, making sure that we use the correct aseptic technique. This is of vital importance so that the smear does not get contaminated with cells from the environment.

Allowing the smear to become contaminated will result in cells of different shapes and sizes to be seen on the smear, given that the sample is no longer isolated to just the E.coli we wish to study. This may only bring about health risks by contaminating you or a coworker with whom you may share the workspace.

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