When companies that manufacture shipping containers want to buy iron ore, the purchase decision is solely based on price. This is because there are a large number of sellers in the iron ore industry, and iron ore is a highly undifferentiated commodity. Which of the following industry competitive structures does the iron ore industry best illustrate?  

Salmonella causes which of the following?

Klebsiella can cause the following; pneumonia, upper respiratory tract infections, septicemia, outer ear infections, meningitis, and UTIs

Most common mode of transmission of pathogenic Neisseria meningidis is…

Klebsiella can cause diarrhea.

What is the vaccine used to help prevent Diphtheria caused by Bordetella pertussis.

Which of the following can cause disease with the fewest number of bacteria cells infecting a human being?

In which phase of periodontal disease progression do the increasing numbers of PMNs rush to the site of the periodontal pathogens and, in doing so, destroy healthy gingival connective tissue and migrate through the junctional epithelium to form a “wall of cells” between the plaque biofilm and the sulcus wall?

Solve the following equation. Express your answer as an integer, simplified fraction, or decimal rounded to the nearest hundredth.   

What histological stage is the lesion in with the following charateristics?: AND what is the timeframe that this happens? Plaque biofilm extends subgingivally and disrupts the attachment of the coronal-most portion of the JE. Macrophages and lymphocytes are most numerous in the connective tissue; PMNs continue to fight bacteria in the sulcus. Sulcular ulceration, bleeding Widening of intercellular spaces in pocket lining. Tissue color, texture, and size changes; increased probing depths