An unknown organism was inoculated on MacConkey agar and a glucose sugar fermentation broth and incubated for 24 hours. The results of these inoculations are shown below. Based on the results observed, what can you determine about this organism?  

A litmus milk tube with a white color is positive for

__________ is particularly useful when trying to differentiate Salmonella and Proteus species. 

Identify the reaction(s) that occurred in the litmus milk tube labeled B in the image below. Tube A is an uninoculated control. 

The organism below is ______ for the enzyme oxidase.  

An unknown Gram-negative organism was inoculated on a variety of selective and differential media. The results for the eosin methylene blue (EMB) agar plate are shown below. Based on the observed growth, which of the following organisms can be eliminated from the list of possible bacteria used for the inoculation? EMB plate

A Gram-positive cocci that is positive for mannitol fermentation and DNase is most likely

Phenylethyl alcohol agar is a(n) _______________ medium containing an ___________.

Calculate the total dilution of the E. coli culture in tube 4 in the dilution scheme shown below.

The final day of the bacterial examination of water study is known as the