Isolation of Bacteria in our Physical Environment Introduction: The purpose of the lab is to apply what has been learned so far in Microbiology‚ and use it to collect and examine microbial species from the physical environment. The physical environment around the lab will be utilized to find out the variety of different microbial species growing in and around the lab. This investigation will help in preparation for the individual projects that will be done at the end of the semester. Materials
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Experiment 1: Isolation of Casein from Milk * pH of milk – 6.6 * milk = 87.1% water‚ 4.9 % CHO 3.9 %‚ fats‚ 0.7% minerals Experiment 2: Protein Hydrolysis and Characterization | Reagents | Principle | Test for | Positive Result | Negative Result | Biuret | CuSO4‚ NaOH | Complexation of Cu+2 with amide N atoms | Polypeptide bonds | Violet/purple solution | Blue color solution | Sakaguchi | 10% NaOH‚ 0.02% α-naphtol solution‚ 2% NaOBr | arginine condenses with α-naphtol and NaOH
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Isolation and identification of an unknown bacterium Pillay‚ Esmerelda (209504371) School of Biochemistry‚ Genetics and Microbiology Department of Microbiology University of Kwa-zulu Natal 25 October 2010 ABSTRACT Different types of bacteria in various forms are found all around us‚ and it is a microbiologist’s job to be able to identify these bacteria. Using various staining techniques and physiological tests‚ an isolated bacterium can be identified. In this experiment‚ a single bacterial
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The pivotal theme of isolation and alienation from mankind highlights Firdaus’s indifference‚ even disdain towards human society. Firdaus’s bold opening statement has lucratively proven a unique outlook of Firdaus’s life “Let me speak. Do not interrupt me.” (1) The rigorously crafted manipulation of short sentences not solely fastens the pace of the extract‚ yet conjointly builds up the chronological train of thought throughout the extract. The passage begins with short sentences‚ that sets the scene
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10/22/01 The Tragedy of Araby In James Joyce’s Araby‚ a young boy finds himself in love with an older girl. The girl‚ Mangan’s sister‚ refuses to love him back and instead ignores him. This crushes the boy and makes his hunger for her even more stronger. He sometimes finds himself hopelessly alone in the darkness thinking about her‚ awaiting for the day she would recognize his devotion to her. " At night in my bedroom her image came between me and the page I strove to read (805)." "At
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Isolation in light and shadow The painting “New York Movie” is an incredible painting with significant use of light and shadow and the contrast of warm and cool colors. It’s not just a painting of a nicely dressed lady in a theater. It’s very intense and strong. Edward Hopper defines the isolation of urbanites by the design of this painting. The arrangements of figures and settings capture the moment of “not belonging”. By the composition‚ contrast of colors and the use of light and shadow‚
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Isolation of Caffeine in Tea Introduction Today’s world is addicted to coffee and tea for an easy wake up. Both contain caffeine‚ a drug known for its stimulant properties. Tea‚ by weight‚ contains approximately 2-4% caffeine‚ and the average cup of tea has anywhere from 40 to 120 mg of caffeine (Landgrebe‚ 327; Mayo Clinic Staff). According to the American Heart Association‚ caffeine not only stimulates the brain and nervous system‚ but it releases fatty acids from adipose tissue‚ and affects
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Write Up On Othello: Othello as an Outsider Shakespeare’s Othello‚ written in approximately 1603‚ is a tragic play that centralises around the role of Othello‚ the Moor of Venice. Throughout the play‚ a notion that is consistently evident is that of “the outsider”. In Othello‚ many characters are in some way outsiders. Each character devises their own unique way to rid themselves of this “outsider” status‚ whether it be by marriage‚ gaining strength or through means of manipulation. As persistently
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Safran Foer‚ The Social Network directed by David Fincher‚ Othello a play by William Shakespeare and Little Miss Sunshine directed by both Jonathan Dayton and Valerie Faris. During the texts there is a lack of communication between characters. Various events cause an absence of communication and it results in strained relationships. Although each character has a different reason for being unable to talk they all suffer the consequences. Othello‚ a character who loves his wife Desdemona‚ suspects she
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Act 1 in Othello ----Sally Fu RACE William Shakespeare’s Othello explores the issue of race in his portrayal of the protagonist as a Moor which represents his tending marginal role in a Venetian society. In the play‚ characters are judged again and again based on appearances and outward characteristics. The protagonist’s different ethnic background provides a platform for probing ideas of racial conflict. This is exposed initially through the title of this play‚ “Othello‚ the Moor
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