plants and Chang (1993) reported that the world mushroom biodiversity counts 1.5 million species. Summary Abstract 1_ Prior knowledge A) Bacteria 1) Salmonella 2) Shigella B) Salmonella Shigella Agar C) Moringa Oleifera a very useful tree D) The solar disinfection with PET bottle 2_ Study of different methods to purify water A) Water filtration 1) Study of filtration system with simple and usual things 2) Study of flocculation with Moringa
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GROUP No.: | DATE: 02/14/13 | | NAME: | | EXPERIMENT No.25BACILLUS: Diagnostic Tests | | ASCOLI’S THERMOPRECIPITIN TEST Purpose: used to identify anthrax bacilli in animal hides and meat. Principle: This test was designed to detect B. anthracis antigens in the tissues of animals being utilized in animal by-products and thereby to reveal when these products contained ingredients originating from animals that had died of anthrax. The thermostable antigens involved are common to other
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by the high amount of colonies observed on Horse Blood Agar (>108/L)‚ mild amount of protein (30 mg/mL) and very high amount of red blood cells (Large+++) found in the urine. The bacterium identified in this specimen is Pseudomonas aeruginosa. This is confirmed by involving many tests and observation‚ such as Gram stain‚ oxidase test‚ catalase test and the observation of colony morphology on Horse Blood Agar‚ MacConkey agar and Tryptic Soy Agar. Pseudomonas aeruginosa is an opportunistic pathogen‚
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Imperata cylindrica as an Antibacterial Agent for Escherichia coli INTRODUCTION a. Background of the Study We all know that bacteria are everywhere. Bacteria are microscopic organisms whose single cells have neither a membrane-enclosed nucleus nor other membrane-enclosed organelles like mitochondria and chloroplasts. One example of bacteria is E .coli is a bacterium that is commonly found in the gut endotherms. E. coli and related bacteria constitute about 0.1% of gut flora‚ and fecal-oral
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Streak Plate Isolation for Obtaining Pure Cultures Data Interpretation 1- In order to unsure that you get a pure sample. 2-pure culture: laboratory culture containing a single species of organism. A pure culture is usually derived from a mixed culture (containing many species) by methods that separate the individual cells so that‚ when they multiply‚ each will form an individually distinct colony‚ which may then be used to establish new cultures with the assurance that only one type of organism
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Biochemical Test – Enterobacteriaceae Bacterial spp incapable of fermenting glucose cannot utilize lactose. 2 enzymes necessary for a bacterium to take up lactose: A. β-galactoside permease – facilitates the entry of lactose molecules to bac cell wall B. β-galactosidase – breaks down lactose into β-D glucose and β-D galacatose LF possess both enzymes NLF do not possess β-galactosidase LLF do not possess β-galactoside permease Glucose fermenters only (true enteric pathogen)
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amylase on the breakdown of starch. MATERIALS These were the materials used: four starch/ agar plates‚ a marker pen‚ 1mm graph paper ruler‚ 8mm cork borer‚ forceps and template for cutting holes‚ 1% Amylase‚ water‚ incubator set at 5‚ 20‚ 40 and 60 degree Celsius. METHOD This was the experimental procedure carried out: the materials above were collected. Six wells were cut using cork borer in the agar which was in the plate and removed the bored one with forceps. The incubate temperature‚ the
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Development of the Polis in Athens http://www.dadalos.org/int/Demokratie/Demokratie/Grundkurs2/antike/athen.htm 1992 5/7/03 Every‚ David Only Individuals Have Rights http://www.igeek.com/articles/Politics/Government/+IndividualsHaveRights.txt 6/27/99 5/7/03 Agar‚ Herbert The Perils of Democracy 1965 Stockton‚ David The Classical Athenian Democracy 1990
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A series of step such as ice baths and heat shocks were put into place to allow for transformation to occur and then the solutions were placed on an agar plate and incubated at 37° for a week. Our results failed to reject our hypothesis and predictions and thus resulted that there was indeed a high percentage of transformation efficiency. The agar plate with the ampicillin environment but no plasmid uptake resulted in no growth while the rest that were a variation between ampicillin environment
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Nicole Hain Bio 110 Sordaria fimicola Lab Report Introduction “Evolution Canyon” consists of two slopes in Israel that are close in proximity‚ but have a huge difference in environment. This makes the slopes a good model system for exploring evolution‚ especially because they’re so close to one another. The South Facing Side (SFS) receives more sunlight than the North Facing Side (NFS). This extreme sun exposure causes the South slope to have drought and arid conditions whereas the North side has
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