Read this essay on microbiology unknown bacteria come browse our large digital warehouse of free sample essays get the knowledge you need in order to pass your classes and more only at termpaperwarehousecom. Begin the process of identifying unknown bacteria by observing their physical characteristics, such as cell wall, shape and linkages use standard laboratory procedures, like cell staining, culturing and dna sequencing to further narrow down your identification.
The unknown gram positive bacteria is staphylococcus aureus some problems encountered on this activity is the handling and contamination due to a lot of plate and tubes in one incubator, some samples are missing. Unknown lab report unknown number 109 tyler wolfangel april 29, 2014 bio 203-604 introduction the study of microbiology requires not only an academic understanding of the microscopic world but also a practical understanding of lab techniques and procedures used to identify, control, and manipulate microorganisms.
Identification of unknown bacteria it is virtually impossible to identify bacteria based on physical characteristics alone this is due to the fact that there are only a few basic shapes and physical features commonly seen in the. Unknown lab report unknown organism #6 ann le (phuoc) may 6, 2010 dr carrington microbiology lab- mw 12:50 le 1 i introduction my unknown organism #6 is morganella morganii, which is a gram-negative bacillus rods commonly found in the environment and also in the intestinal tracts of humans, mammals, and reptiles as a normal flora (3, 5) this. The unknown number 123 handed out by the professor on march 20, 2014 contained both a gram positive bacteria and a gram negative bacteria 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.
Upon obtaining the unknown organism, it was important to make a streak plate of the bacteria on tsa the purpose of doing so ensures that we have pure cultures of the unknown to be used in further testing and not a mixed culture.
This study is the determination of the unknown bacterium that was given by microbiology lab professor the purpose of this laboratory exercise is to evaluate. Objective: to identify the bacterial unknowns in a mixed culture by morphological and biochemical methods principle: the identification of bacteria is a careful and systematic process that uses many different techniques to narrow down the types of bacteria that are present in an unknown bacterial culture. Scientists sometimes use gram staining to identify bacteria, but other methods do exist to help identify bacteria in microbiology.