An unknown sample is plated on trypticase soy agar (TSA), blood agar, and MacConkey agar. Following incubation there is growth on the TSA and growth on the blood agar with clearings around the colonies, but no growth on the MacConkey agar. What can you determine about this organism?

Which of the following would be most useful when trying to maintain cultures in a laboratory setting?

Blood agar is a ____________ medium with red blood cells acting as the _______. 

Camp meetings and circuit riders (evagelists) appealed mostly to:

Most southern men prided themselves on adhering to a moral code based on:

Which of the following must be added in order to read the results for oxidase?

Calculate the total dilution of the original culture in tube 2.   

The pour plate method results in colonies forming

The IMViC profile is run on a Gram-negative rod. After incubation, the following results were observed: I: – M: – Vi: + C: + Which of the following organisms was used for inoculation?

An inoculated and incubated gelatin tube is placed in an ice bath for twenty minutes. When removed from the ice bath the medium in the tube has solidified. What does this mean?