In 2016, E. coli was isolated from chickens on a new organic farm.  The isolate contained a plasmid carrying resistance genes to six antibiotics including tetracycline, sulfonamide, and gentamicin.  It also carried genes for resistance to heavy metals and a quaternary ammonium sulfate (Quat) disinfectant.  The farm feeds the chicks GMO-free, organically raised grain and supplements the diet with zinc and copper to promote growth and reduce disease.  No antibiotics are used.  After three years of organic practice, in 2019 we would expect to find E. coli that are: 

Which of the following arranges terms from most general to most specific?

The most accurate method of classifying microorganisms is by comparing:

In HIV infection, the ___________immune system is compromised the most during __________.

    Patients are encouraged to used these before collecting a urinalysis sample for a suspected UTI.  Why?

The term incidence describes:

The most common cause of pharyngitis that requires antibiotic treatment is:

What cell components are common to both bacterial and human cells? (Check all that apply.)

Which of the following could help eliminate TB? (Check all that apply.)

______ children are more likely to develop otitis media because the ________ is shorter and less likely to drain.