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Salmonella is typically an organism that produces black colonies on most agar plates because it biochemically produces ____________.

This test helps to determine if Staph aureus is present:

At the end of a gram stain, gram-positive bacteria stain _________ and gram-negative bacteria stain ______. 

MacConkeys agar is an example of a 

“Pinkeye” or Infectious Bovine Keratoconjunctivitis is caused by:

A dog is presented to your clinic for a history of pruritus, and an apparent hotspot.    What typical bacteria could be the causative agent? 

This important respiratory pathogen has characteristic bipolar staining

Explain the procedure of gram staining:

Name one agar that is both selective and differential

This gram-negative anaerobic bacteria that causes a foul-smelling infection of the feet in cattle and referred to as “foot-rot” is: