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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Arlie Russell Hochschild is a Professor of Sociology at the University of California‚ Berkeley. Hochschild’s interests of research are in the impact of contemporary capitalism on everyday life. In the essay she wrote‚ “From the Frying Pan into the Fire”‚ Hochschild argues the growing emphasis on efficiency is affecting our lives. We have allowed the idea of workplace efficiency to infiltrate within the home life‚ in significant and negative ways. Hochschild’s study of the influence of efficiency
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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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Story of Jack Ma Qianxian‚ Lu AD643 D1 Project Communications Management Professor Emmanuelle Bernardin March 20‚ 2015 1 Since my group is really interested in Adolf Hitler‚ I also want to do the research about another famous person named Jack Ma. People who know Jack Ma‚ would mention a saying—he is a man‚ whose appearance is in the negative proportion to his talents. This is the tittle of his autobiography. In my impression‚ Jack Ma is a man‚ who has a deep cheekbone‚ curved hair‚ and naughty
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Jack Ma‚ An Internet God Father When it comes to China-based e-commerce‚ when we refer to the online-shopping‚ we have to mention the person‚ Jack Ma‚ China’s internet godfather. Jack Ma was born in the city of Hangzhou‚ Zhejiang Province‚ China. He was regarded as a silly guy in his childhood‚ and his mind became blank when he confronted three questions at the same time. He was bad at math but good at English‚ interestingly; his favor for English was because his father felt helpless when he
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of application‚ • a table examining each part of one device;- manufacturing method‚ material used • the calculated mechanical advantage and velocity ratio of one device • A scaled sectioned assembly drawing of the main screw bolt and nut of a car jack. You must also recommend one (1) of the two (2) for emergency roadside use with a large family car‚ such as a Commodore or Falcon (of course). Explain why you are recommending this lifting device over the other one. Table of Contents List of
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The setting of Jack London’s “War” is pivotal to the story’s plot and theme. “War’ follows the route of a military scout in the midst of war through rural lands. It is such writing with unspecified location and a unspecified setting- that is‚ the time and place- that subtly compel the reader to recognize how commonplace war is and has been since the beginning of mankind when they are unable to use the setting to deduce when and where the story is. In the short story “War”‚ Jack London works to express
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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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