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    Which of these test strips is negative for Strep (left or right)?

2 different microbes were inoculated into 2 Nitrate media tubes and tested for nitrate reductase enzyme. Which of the tubes A or B shows a positive result for the production of nitrate reductase?

Name the difference between Staph and Strep in regards to their ability to hemolyze red blood cells.

Tube A is an uninoculated Citrate control.  In tube B, Bacillus coagulans was zig zag streaked. How would you characterize B. coagulans ability to utilize citrate? 

Which of the following are the type of sweat gland found all over our bodies?

When performing a Nitrate Reduction test, you get through the entire experiment and you still have no color change.  How was the nitrate reduced?  (i.e. pathway used)

What is the pH indicator in the media we used to study WATER microbiology?

A clean catch urine culture (inoculated with a 0.01 mL calibrated loop) grows 75 colonies of presumptive E. coli. What final colony count should be reported (CFU/mL)?

Calculate the MCHC for a patient with the following CBC:•       WBC     9.3 x109/L•       RBC       5.11 x1012/L•       HGB      9.6 g/dL•       HCT      31.4%•       PLT        351 x109/L

What enzyme is necessary for the bacteria to produce for Lipid Hydrolysis?