What do you understand by the term “Lancefield groups”? History In the early 1930’s Rebecca Lancefield recognized the importance of serological tests for the identification of organisms. The system is based on specific antibody agglutination reactions with cell wall carbohydrate antigens (C polysaccharides) extracted from the streptococci. Lancefield also showed that further sub division of group A into specific serological types was possible using type-specific M (protein) antigens. The groups
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colonize through whatever means necessary. The colonization techniques in North America didn’t differ from those in Latin America. Each individual country felt endowed and felt an obligation to colonize and spread their culture and their ways. The encounter involved a variety of natives. There were nonsedentary‚ semisedentary‚ and sedentary people when it came to their location and how they had adapted to surroundings. The nonsedentary and semisedentary were the natives that resided in the rougher terrained
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okay love youAcidified potassium manganate(VII) is a strong oxidising agent so it can be used to oxidise substances. If a reaction occurs a colour change will be seen. Potassium manganate(VII) is deep purple and when it is reduced‚ it becomes colourless. Let’s take a look at some reactions involving acidified potassium manganate(VII). If a solution of potassium manganate(VII) is placed in a test tube and a light green solution of iron(II) chloride is added to the test tube‚ the purple colour of
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British Journal of Management‚ Vol. 10‚ 335-350 (1999) Why do Managers Do What They Do? Reconciling Evidence and Theory in Accounts of Managerial Work Colin Hales Westminster Business School‚ University of Westminster‚ London NWl 5LS‚ UK This article seeks to show that there has been surprisingly little interest in developing a causal explanation of the consistently documented common characteristics of managerial work and attempts to sketch out such an explanation. It is argued that researchers
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What’s one thing you are most proud of? “You can get what you want or you just get old” I don’t know where I get this quote but it’s haunting me You know what you really want and please notice passion won’t stay forever My dream is only traveling‚ to anywhere new to see my beautiful country with my limited years You will think I’m a dreamer‚ and yes I’m a dreamer When I was a kid‚ my family has a big picture of Uncle Ho. I’m so proud of this I told myself one day I will come to Hanoi capital to visit
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being the most important hardware innovations. The two most important software innovations I would have to go with inventing the web and network operating systems. I believe the Web is a very important innovation because it connects the whole world together through this technology. Anyone that has access to a computer and internet can search for any information at anytime. It doesn’t matter what time of the day it is‚ there are no holding for the next customer service rep to assist you. You control
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“You Got To Do What You Got To Do‚ To Get Where You Got to Get” In Ralph Ellison’s story “Battle Royal”‚ Ralph’s dying grandfather gives his son advice on how to advance in life as a black person‚ in the United States. Ralph’s grandfather said‚ “I want you to overcome ‘em with yeses‚ undermine ‘em with grins‚ agree ‘em to death…”(1042). Basically‚ by being really nice to white people‚ he could gain favor and possibly be rewarded for his obedience. Ralph‚ took his grandfathers advice‚ and was eventually
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What Freedom do I enjoy the most? The freedom I enjoy most is the Freedom of Speech. I enjoy this freedom the most because I‚ as an American‚ have the right to express my feelings or opinions on any subject‚ and not get into any major trouble for doing so. This freedom comes from the First Amendment of the Bill of Rights. In other countries such as North Korea or Cuba that are communist countries‚ a citizen would not have the right to express their feelings about anything‚ political or not. If
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“Everyone who expects to succeed in life should realize that success will come only if you give careful consideration to other people.” To accomplish this‚ you must be an excellent listener. One of the most critical skills that an individual acquires is the ability to listen. Studies indicate that a person spends 70 percent to 80 percent of his or her time communicating‚ of which 45 percent is spent listening. Nixon and West give the following breakdown for the average time an individual
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What STEM field interests you most? Describe the experiences that have shaped your interests and any action steps you have taken to explore them further One day or another‚ STEM is going to save the world. As society evolves‚ STEM continues to be a leader in growth and innovation. I believe that Science‚ Technology‚ Engineering‚ and Mathematics will help to solve the world’s most urgent issues such as Global Warming and Overpopulation. All of these problems are caused by the environment and organisms
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