Question

A new microbiology student failed to properly sterilize the pipet between creating E. coli and S. epidermidis cultures from the tablets in the lab kit. How would this mistake be recognized when the mixed culture is streak plated

Answer 1

With this error, the culture medium can be visualized with two different types of bacteria, with different stains.

In addition to staining in culture medium, what are the differences?

Escherichia coli, or E. coli, is a bacterium that naturally inhabits the intestines of people and some animals, without any signs of illness.

Staphylococcus epidermidis is a Gram positive, coagulase negative bacterium that is part of our normal flora. The microorganism colonizes human skin and mucous membranes, notably moist surfaces such as armpits, nostrils, etc.

With this information, we can conclude that this error, the culture medium can be visualized with two different types of bacteria, with different stains.

Learn more about Escherichia coli in brainly.com/question/5870996