Microbiology 5/14/2009 Introduction The purpose of this study is to differentiate and identify two unknown organisms provided by the instructor in a nutrient broth. It is only known that the two organisms are from vomit; one is gram-positive and the other is gram-negative. It is necessary to first separate the two organisms by inoculating a nutrient agar plate using the streak-plate method. The initial streak-plate procedure was performed and placed in the incubator at 37◦C for 24-48 hours
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|COLOR BEFORE:RED LIGHT |GROWTH/NON-FERMENTATION | |PHENOL/ SUCROSE |COLOR BEFORE: RED |YELLOW | |GRAM STAIN |COLOR BEFORE:PINK |POSITIVE/COCCI
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Helicobacter pylori | Description | Helicobacter pylori is a motile‚ curved‚ spiral‚ or straight‚ slightly plump‚ gram-negative rod. It is believed to be a major cause of gastritis and peptic ulcers although it resides solely on the gastric mucosa and does not enter cells. Microscopic description for the family Campylocbacteraceae | Shape: Spiral ShapedStaining Reaction (Gram): NegativeUnique Characteristic: Spiral Shaped with Flagellum Single/Clusters: ClusterSpore Formation: NoDimension:
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If bacterial meningitis is suspected several tests sound be done before beginning treatment. A blood sample should be taken and a complete blood count (CBC) should be performed and a lumbar puncture should also be performed as soon as possible. Laboratory findings The white blood cell count (WBC) should be 5‚000-10‚000 /mm3. Critical values associated WBC are 30‚000 /mm3. Variables that may increase white blood cell count include: Physical activity and stress‚ final months of pregnancy and/or labor
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has a hydrophobic and hydrophilic which means it only lets certain substances through. * There are also protein molecules that are responsible for transport of ions‚ nutrients and waste. * The Gram stain is used to determine the different structures of cell walls. * Gram +ve
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------------------------------------------------- ------------------------------------------------- EVALUATION OF EFFECTIVITY OF SOAPS AND DETEGENTS AGAINST BACTERIA BACTARIUM EVALUATION
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sludges‚ sediments etc. Disadvantages of Petri film include: There is no visual difference between the different kinds of bacteria growing on the Petri film and you can’t do any testing on the colonies. No classifying as bacilli or cocci‚ no gram-staining‚ no
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|antibiotics.| ____ 5. Where are you likely to find a photoautotroph? a.|in your refrigerator| b.|in the darkness of the ocean| c.|in your digestive system| d.|near the surfaces of lakes‚ streams‚ and oceans| ____ 6. A method called Gram staining is used to tell a.|what shape a prokaryote has.| b.|how a prokaryote obtains energy.| c.|what kind of cell wall a prokaryote has.| d.|whether a prokaryote has flagella.| ____ 7. Which of the following describes a role of bacteria in the
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physiological class of bacteria capable of utilising agar as a sole carbon source. This ability is made available by the use of agarases - enzymes which break down agarose into oligosaccharides. This physiological class branches through genii‚ regardless of Gram Stain status or morphology. Through a review of scientific literature we can find identification methods‚ optimum conditions and the general function and location of agarolytic bacteria‚ as well as methods to culture them in vitro for study and experimentation
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Table of Contents Acknowledgement…………………………………….. 3 Abstract…………………………………………………. 4 Introduction ……………………………………………. 5 Review of Related Literature………………………… 6 Methodology…………………………………………… 7 Results and Discussions……………………………… 9 Conclusions……………………………………………. 11 References…………………………………………….. 12 Acknowledgement At first‚ I wanted to thank God‚ because He had a great contribution on my research. He gave me intelligence in this research. He also gave
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