Unknown bacteria lab report conclusion

microbiology lab identification of unknown bacteria

The agar is a differential test medium that distinguishes bacteria based on their ability to lyse red blood cells. The EMB test produced green metallic colonies, which was a big flag that the bacterium might be Escherichia coli.

unknown bacteria lab report gram positive

However, the researcher felt it was important to perform a battery of tests in order to confidently conclude that the Gram positive unknown was indeed B. Bacteria were among the first life forms on Earth and are present all around from the bottom of the ocean to inside the human body.

The bacterium might not have mixed well with the Glycerol solution, creating an improper answer.

microbiology unknown lab report sample

In microbiology class students are asked at the end of the semester to identify unknown bacteria using all the lab techniques they have learned and practiced throughout the semester. The instructor verified this to be correct. This indicates a positive test.

Microbiology unknown lab report staphylococcus aureus

The nutrient agar was then incubated at 37C for 48 hours. Casein was the last test used in order to identify the Gram Negative bacteria. The Methyl Red test concluded positive for the presence of glucose fermenters. The milk agar was incubated at 37 degrees Celsius for 48 hours. It is predicted that it spends most of its time inactive and in spore form. At this point everything that had been learned in microbiology lab and that had been explained in our lab manual 1 was put into action. Try to avoid unpasteurized dairy products. The streak plate was then incubated at 37 degrees Celsius for 48 hours. The plates were incubated at 37C for 48 hours, and Gram stain procedure with observation under light microscope was performed. The E.
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