The cell pictured below (arrow):

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

A __________ is a complex _________ that contains many different _________.

Which technique provides the most information about a bacterial isolate?

Mycoplasma are a type of bacteria that lack peptidoglycan cell walls.  These bacteria are innately resistant to what type of antibiotics?

This cell recognizes antigens only when they are presented on MHC receptors by another cell.

Which of the following terms describes inflammation of the membranes surrounding the brain?

Yersinia pestis was recently discovered in Bronze-age human remains, however DNA sequence analysis revealed that this strain is missing the gene for the Yersinia murine toxin.  This means that the Bronze-age strain: (Check all that apply.)

__________ meningitis is more common, but ____________meningitis is more serious.

Barry Marshall demonstrated that ulcers were caused by bacteria by: