Symptoms of dysentery are associated with ________ in the _________.

Which component of MacConkey plates selects for growth of enteric bacteria?

We put our raw chicken legs into MAC broth and incubated the bags at 44oC in order to:

Farmers in Quebec voluntarily stopped using cephalosporins (medically important antibiotics) in poultry production early in 2005.  Over the next two years, E. coli (green squares) and Salmonella (blue diamonds) were isolated from retail chicken and tested for cephalosporin (ceftiofur) resistance.  Levels of cephalosporin use in human medicine (gray bars) as well as cephalosporin resistance in human isolates (red X’s) was measured over the same period of time.  What can you conclude from these data?  

__________ is the most common source of food-borne illness; _________ is the most common pathogen.

Most yogurt is made with the two different types of bacteria shown in the graph below.  When the two strains are mixed with milk, which one uses a protease to digest proteins?

Which cells are phagocytic (check all that apply)

The cell pictured below (arrow):

A cariogenic bacterium promotes:

Which of the following statements is NOT true? C. difficile: