Identification of the Unknown Bacteria

The Identification of the Unknown # Rachel Taylor For MCB 2010L-611 Dr. Digirolamo Procedures, Procedures, & Results: 1. Chose a designated # for an cabalistic bacterium that will be identified through a nonparallel publication of prove and procedures as follows-#718. a. Each day a wise LB slant will be inoculated with gothic bacterium and incubated for 24Hrs discarding previous subway system/tubes. 2. A simple crud of unknown bacterium was performed to determine that it is a Gram contradict nuance and morphological characteristics are of short/medium bingle and opposite rods. 3. Inoculate two LB agars, using unimaginative proficiency for all inoculations, with one labeled 25 degrees and the otherwise at 37 degrees. Incubated for 24Hrs, recovered, and corresponded for optimal temperature for growth of unknown; which was the LB agar at 37 degrees. a. Catalase trial run performed after 24Hr incubation, test by argufying a sma ll amount of bacteria from LB agar of 37 degrees, transferred to a clean scrap slide. Add one to two drops of H2O2 and observe for bubbling. Result was cast out for catalase, bubbles were not present. 4. Next, the biochemical reactions tests are performed.

Inoculated three Durham tubes of oxybenzene red broth with unknown bacteria, each containing a carbohydrate- sucrose, glucose, and milk sugar as a substrate. Incubated at 37 degrees for 24 hrs. colorimetric changes are wasting diseased to observe fermentation and bubbles tube to check for gas. Results as follows: Glucose was sultry (+), gas (+)-Bubbles present in tube/ yellow-bellied pigment =Indicates total utilization o f carbohydrates; sucrose was acid (+), gas ! (-)-No bubbles present/Magenta pigment=Indicates incomplete use of carbohydrates; Lactose was acid (+), gas (+)-Bubbles present/Yellow pigment=Indicates total utilization of carbohydrates. 5. A gelatin egg on is performed of unknown bacteria and incubated at 25 degrees for 24Hrs, the result was negative indicating no liquefactionno gelatinase, still solid appearance of gelatin....If you deprivation to need a full essay, order it on our website: OrderEssay.net

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