(2 pts.) A gram negative diplococcus that is oxidase (+) is tested with glucose and maltose. The glucose tube appears red and the maltose tube appears red. The MLT should report:

Shiga-toxin is produced by which of the following organisms:

Zinc dust is added to the nitrate test and the result is red. This indicates:

Simmons medium is utilized for:

Select the amino acid that is utilized in the indole test:

Identify a test that could differentiate P. vulgaris from P. mirabilis:

Pet turtles, snakes and iguanas are known to transmit:

Select the correct pair:

Select the organism that exhibits bipolar staining on the gram stain, said to resemble a safety pin:

Identify the medium used for the citrate test: