Griffith was S. pneumoniae cells also known as Pneumococcus bacteria. This is due to the growth of bacteria inside the body of a host regardless in the form of either solid or liquid cultures. In 1928‚ Frederick Griffith studied and published his findings on the different strains of Pneumococcus bacteria. There were 2 in particular that looked different; S and R. The R colonies has rough surface whereas the S colonies have smooth surface. Intrigued by the experiment‚ Avery‚ MacLeod and McCarty decided
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housing Wei Guo #0233240 In contemporary society‚ the average income growth rapidly in China‚ but people’s lives is still puzzled by a vast number of issues. For example‚ housing problem is one of the most serious problems which affect all over the world‚ especially in China. However‚ average income for people growth rapidly‚ there is still a vast number of people do not have abilities to buy a house. Therefore‚ we should figure out how we can tackle the task at hand right now. Should government provide
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Americans supported slavery because slavery was legal‚ technology has changed‚ and slavery going on today. Many of the American supported because they need to work their farms and other labor jobs. ¨England’s southern colonies in North America developed a farm economy that could not survive without slave labor.¨ ¨Early in the seventeenth century‚ a Dutch ship loaded with African slaves introduced a solution—and a new problem—to the New World.¨(Civil War Trust). ¨Slaves were most economical on large
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In North America‚ from the arrival of Europeans to the 1760s‚ slavery evolved culturally and socially. Men‚ women‚ and children being enslaved changed throughout the course of history in this time‚ shaping the way these humans were treated and viewed by European men and families. The New World‚ changing socially and culturally lent a helping hand in why and when slavery evolved. The structure and nature of slavery slowly changed as well‚ from these enslaved men being terrified‚ to re-instating a
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Slavery was a practice in many countries in the 17th and 18th centuries‚ but its effects in human history was unique to the United States. Many factors played a part in the existence of slavery in colonial America; the most noticeable was the effect that it had on the personal and financial growth of the people and the nation. Capitalism‚ individualism and racism were the utmost noticeable factors during this most controversial period in American history. Other factors‚ although less discussed throughout
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Economic and social factors could be said to have played a prominent role in the coming to power of Mao‚ in that discontent was heavily influenced by peasants’ extremely poor economic situations as a result of both inflation and exploitation‚ which generated animosity towards the upper classes and hence the entire feudalistic system‚ as well as giving Mao an opportunity to appeal to the desperation of the peasants‚ for whom the prospect of his leadership in their eyes promised an infinitely more
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Slavery in the United States and its impact “Those who deny freedom to others deserve it not for themselves.”- Abraham Lincoln. These are the words of a man who never had to endure slavery‚ but championed the fight against it. While President Lincoln wasn’t the first to confront this issue he would be the last on a road that was hard paved for millions in lives‚ and blood in the United States. It would be almost two hundred years before these words were spoken that lives were to be changed and
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The Northern and Southern colonies were very different from each other. In the North‚ they didn’t have as much fertile land as the south so their economy was more based on natural resources‚ such as lumber and fish/whales. Also‚ the North had a plethora of ports in which they traded with Great Britain‚ while the south only had a few. The North had cold winters and bearable summers‚ the south was the exact opposite with hot summers and bearable winters. The geography of the North consisted of mountains
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Relationship Between Energy Consumption and Economic Growth Name: Niou Wu ID: 10047639 Economics 427 Professor: W. D. Walls Monday‚ December 06‚ 2010 Introduction The term of "Energy"‚ have rarely been mentioned before. However‚ during the the 21st century‚ as the growth of economics‚ it has become a very hot topic which involving economic‚ natural science and social science and other fields. This paper is focuse on the relationship between the energy comsumption and the economic growth， especially
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changed drastically between 1890 and 1917‚ from isolationist to interventionist. This change was due to economic factors as well as several other important factors. Many of these were factors outside of US control‚ but many of them were influenced by people or events in the USA. Big business is one economic factor that influenced US foreign policy. The business giants like J.P. Morgan put pressure on politicians to become more interventionist because they knew that this would encourage trade links with
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