The labels fells off these plates which contain an organism that was inoculated to the plates and then one side of the plate was exposed to UV light. The microorganism  was exposed to UV light for 30 seconds, 3 minutes, and 10 minutes. Place the plates in order of increasing UV exposure.

This is an Indole test. Which organism produces tryptophanase?  

An unknown organism was inoculated to this TSA plate and GSA plate and incubated at 37oC for 24 hours. Based on the growth on the plates you know GSA TSA  

Greenlake water was tested and the following results were found in the presumptive testing.  4 of the 10.0 ml lactose lauryl broths had growth and gas.3 of the 1.0 ml  lactose lauryl broths had growth and gas1 of the 0.1 ml lactose lauryl broths had growth and gas   What is the MPN of the water sample? What is the next step in the water testing process?  

Label the parts of the microscope (A-D) and define a function for each part. Please note that part C is referring to the platform, the label is on the side of the platform.

Which organism is more sensitive to the test chemicals?

Upload your answer to the dilution question above here    

The labels fells off these plates which contain an organism that was inoculated to the plates and then one side of the plate was exposed to UV light. The microorganism  was exposed to UV light for 30 seconds, 3 minutes, and 10 minutes. Place the plates in order of decreasing UV exposure.     

A kirby-Bauer Test was performed on a sample from a patient sick with a bacterial infection caused by Staphylococcus aureus. The patient is currently being treated with Penicillin. Is the drug Penicillin a good choice for their treatment? Explain why or why not. If the Penicillin is not a good choice for treatment, what drug would be?

Greenlake water was tested and the following results were found in the presumptive testing.  5 of the 10.0 ml lactose lauryl broths had growth and gas.3 of the 1.0 ml  lactose lauryl broths had growth and gas1 of the 0.1 ml lactose lauryl broths had growth and gas   What is the MPN of the water sample? What is the next step in the water testing process?