The Results from the Gram positive tests indicated that the unknown #4 was Streptococcus pyogenes. All seven tests on the unknown matched S. pyogenes perfectly. The blood agar plate proved the unknown to be β hemolytic‚ meaning the unknown bacteria was capable of complete hemolysis. This test separated the unknown into the β Streptococcus group‚ narrowing the possible bacteria to S. aureus or S. pyogenes. The Catalase test was used to determine if the unknown could break down hydrogen peroxide
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Digital image. Flickriver.com. Flickriver Viewer Software‚ 2007. Web. 3 Nov. 2013. An endospore stain of Bacillus cereus using malachite green. Digital image. Academic.missouriwestern.edu. N.p.‚ n.d. Web. 3 Nov. 2013. Hahn‚ Brittany. Phenyl Ethyl Alcohol agar. Digital image. Studyblue.com. STUDYBLUE INC.‚ 22 Apr. 2013. Web. 3 Nov. 2013. Reynolds‚ Jackie. Selective and differential media. Digital image. Www.microbelibrary.org). Kern Community College District‚ 12 Sept. 2011. Web. 3 Nov. 2013. Rose‚ Scott
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Unable to read the Gram Stain at first it was later confirmed that Unknown #7 was a gram negative bacteria. When introduced to Starch Unknown #7 produced no zone of clearing showing that it did not contain the enzyme amylase. When introduced to the Lipid Unknown #7 did produce a zone of clearing indicating that it did contain the enzyme lipase. When introduced to Casein Unknown #7 produced no zone of clearing indicating that it did not contain the enzyme protease. When streaked onto the Gelatin‚
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KOREA UNIVERSITY UNDERSTANDING BUSINESS ADMINISTRATION BOOK REVIEW Predictably Irrational The hidden forces that shape our decision -Dan Ariely Reviewed by: Sanila Pradhan 11TH June‚ 2013 Predictably Irrational: The hidden forces that shape our decisions‚ by Dan Ariely. Harpercollins‚ 2009. Reviewed by Sanila Pradhan. ‘Predictably Irrational” was a very enjoyable read for me. The title of the book is very appealing therefore‚ I decided to read this book. The title of the book points its
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he root system is developed in the soil since soil can help establish their strand and protect the fragile roots from stressful conditions such as drought‚ nutrient deficiency‚ unfavourable temperature‚ etc. Hydrotropism is a directional growth response exhibited in terrestrial plants in which water or water vapour is the orienting stimulus. In hydrotropism the root caps perceive and respond to moisture gradient of the soil simultaneously which will then regulate the directional growth of the root
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Permanganate‚ Potassium Dichromate‚ and Methylene Blue.1 Arantxa Alex Carpio Group 1 Sec. X – 4L March 24‚ 2015 ABSTRACT The effect of molecular weight and time on the rate of diffusion was determined using the agar-water gel test. A petri dish of agar-water gel with three wells was prepared and a prepared solution of each substance was dropped on each well; one with potassium permanganate (KMnO4)‚ the other with potassium dichromate (K2Cr2O7)‚ and the last one with methylene blue
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human body samples by culturing them on the appropriate media using aseptic transfer techniques. Materials • Distilled water • Test tube • 6 Unopened packages of 1 sterile cotton swab • 2 sterile nutrient agar Petri dishes • 1 sterile blood agar Petri dish • Incubator • Refrigerator • Bunsen burner • Gas connection • Plastic tubing • Inoculating loop • 12 sterile glass slides • Wax pencil • Igniter • Crystal violet dye
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substances and absorb toxic metabolites this organism is often grown on media with rich concentrations of blood‚ or charcoal. ("Pertussis."). Two different solid cultures that are used in growing B. pertussis are Bordet-Gengou agar (BGA) and Regan-Lowe agar (RLA). Bordet- Gengou agar contains potato starch and is peptone free‚ also an inhibitory substance. It also contains glycerol as a stabilizer‚ and an antibiotic‚ such as penicillin‚ to restrain gram positive organisms from growing‚ although the
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2 were Pseudomonas aeruginosa. One of each was used to confirm. Finally only MTCC cultures were used to prepare inoculum. Inoculums Preparation Primary isolation was initiated by nutrient agar plating and subsequently transferred to selective media like Pseudomonas Isolation Agar‚ MacConkey Agar and EMB agar for better isolation. Using sterile inoculation loop colonies of the test organism are transferred to 5ml of sterile nutrient broth and incubated at 37 0C overnight for 24hrs. Then this bacterial
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LIFE OF INDIAN VILLAGE LIFE IN AN INDIAN VILLAGE 1. Life in an Indian village is natural. It is free from artificiality and outward show. 2. An Indian villager leads a calm and quiet life‚ free from the noise and din‚ hustle and bustle. 3. Life in an Indian village is conducive to health. 4. It has its dark side as well; illiteracy prevails and ignorance is the cause of many evils. 5. The Indian villagers are extremely poor‚ and do not get even two times meals 6. The villagers do not have even
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