The Rickettsiae are small (0.3-0.5 x 0.8-2.0 um)‚ Gram-negative‚ aerobic‚ coccobacilli that are obligate intracellular parasites of eucaryotic cells. They may reside in the cytoplasm or within the nucleus of the cell that they invade. They divide by binary fission and they metabolize host-derived glutamate via aerobic respiration and the citric acid (TCA) cycle. They have typical Gram-negative cell walls‚ and they lack flagella. The rickettsiae frequently have a close relationship with arthropod
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Chinese New Year? Is it Real or Fake? This year’s Chinese New Year is going to be on: 2013 | 2013-02-10 | Snake (2013-02-10—2014-01-31) | | | | Chinese New Year is the most important of the traditional Chinese holidays. In China‚ it is also known as the Spring Festival‚ the literal translation of the modern Chinese name. Chinese New Year celebrations traditionally ran from Chinese New Year’s Day itself‚ the first day of the first month of the Chinese calendar‚ to the Lantern
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Dramatic Changes have taken place in Sydney ’s cultural and economic landscapes during the past two decades. These changing landscapes have been linked in both political discourse and the popular press to Sydney ’s emerging role as a global city ’. Evidence supporting this theory has come from some academic analyses of globalisation in the 1990s. Global cities are identified by their role as command centers for organising the global economy. Such cities have been characterised by their openness
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Before I knew exactly what I was going to do as my research question I knew I either wanted it to deal with movies I like or food and nutrition. The more I though about what topic to chose i decided to chose movies. My favorite types of movies are the sad romantic movies so i though it would be a good idea to see how girls react to those movies. Often those movies make girls cry and become emotional or they wish they could have the type of relationship in the movie. I had a list of a lot of sad movies
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VALUE OF TREES Trees are an integral part of our environment. Both man and the animals cannot survive without trees. We get food‚ medicine‚ wood and shelter from trees. Trees beautify the environment. We get the most needed rain because of the trees. Trees have a great influence upon climate. Trees preserve moisture. The leaves of a tree are always giving off moisture and this constant evaporation cools the surrounding atmosphere. Trees on hill sides stop the soil erosion and prevent destructive
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1. F. James McDonald the former president of the US automobile workers federation suggested an average reduction of 4% in the price of the car. The automobile market was weak‚ which resulted in unemployment. Lower price would lead to greater sales and stimulate employment. McDonald believed that a 4% reduction in price would increase sales by 16%.David black‚ representing the management of the automobile manufacturers disagreed with McDonald’s estimation. Black cited studies which indicated price
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The common house dog‚ the Canine‚ makes the best house pet. Their interactive abilities are much stronger than‚ for example‚ cats’. And because of this ability dogs provide us with much better care and pleasure. Dogs are more interactive with people than cats. They provide us with more pleasure and a better quality of life. At a basic level dogs can be taught to play fetch with a stick‚ and then we can have hours of fun playing “catch” with our pet. Further‚ the ability for a dog to be trained
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Micro-organisms Micro-organisms Micro-organisms (or microbes) are literally microscopic organisms‚ which can only be seen properly with the aid of a microscope. These include bacteria‚ microscopic fungi (moulds) and protoctists. Although viruses‚ which are even smaller than bacteria‚ are generally considered to be non- living entities‚ they might also be included here as they are important disease-causing agents. Micro-organisms are the most numerous organisms in any ecosystem. There are about 159
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Despite the fact that computers make our lives easier by performing many valuable tasks with greater precision than we‚ as mere mortals‚ could ever hope to achieve‚ they have a major down-side. They can stress and tax our brains in ways that limit our creativity and reduce our ability to perform at our highest levels. One of the biggest problems with computers is that they are both demanding and rigid. They insist that we communicate with them their way. If we don’t enter the precise set of mouse
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Dear Jason‚ How are you? How is your girlfriend? I hope that you all are fine. Sorry I did not reply before‚ because I am doing refurbishment of my flat so I have been really busy. Albeit the construction work‚ I have decided to improve my English and I am taking the evening English courses twice per week. I am really excited to hear that you have decided to visit my home town. So‚ to begin with‚ I’d want to inform you that my flat will be completely done by your arrival‚ and you can stay there
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