What affect does the concentration of sugar have on the rate of respiration of yeast? Apparatus: 1. Stopwatch with a resolution of 0.001 seconds 2. 4 test tubes 3. 200 ml of yeast in a beaker 4. 200 ml of glucose solution 5. 500 ml of limewater 6. 2 delivery tubes 7. 1 test tube rack 8. 1 water bath set to 37°C 9. 2 pipettes 10. 3 measuring cylinders with a resolution of 1ml‚ ranging from 0-30ml. 11. 200 ml of water Hypothesis: The higher the concentration
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ABSTRACT Never before in the history of the United States‚ had this nation witnessed and suffered from such a costly and severe hurricane like Katrina‚ which occurred in August‚ 2005. This paper‚ based on secondary research‚ discusses the influences of Katrina on the American life. In particular‚ the findings explore and answer three questions of what this hurricane was‚ how it damaged the most developed country in the world and what responses were given by the authorities and the non-governmental
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Everyone knows that all things cost money‚ even the prohibition on marijuana! It costs the U.S. government about 13.7 billion dollars to keep the prohibition on marijuana. Marijuana is classified as a hallucinogenic drug and is considered a schedule one drug; some of the most dangerous drugs such as heroin‚ molly‚ acid‚ and many more. This drug category suggests that these drugs have no medical purpose even though marijuana is legal medically or recreationally in 28 states including D.C. Marijuana
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30) 1. Company A’s costs are mostly variable‚ whereas Company B’s costs are mostly fixed. When sales increase‚ which company will tend to realize the greatest increase in profits? Explain. 2. Crystal Telecom has budgeted the sales of its innovative mobile phone over the next four months as follows: Sales in Units July. . . . . . . . . . . . . . 30‚000 August . . . . . . . . . . . 45‚000 September . . . . . . . . 60‚000 October . . . . . . . . . . 50‚000 The company is now in the
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and 21st century. Through the years‚ television programs have become more functional and useful to producers‚ campaigns‚ companies‚ and the viewer. Companies and campaigns use television for advertising‚ producers make movies and shows for profit and viewer entertainment‚ and the viewers use television to gain information and for their own entertainment. Popular actors who were and are commonly on the screen have been proved to influence how people act and
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examination of what we know‚ contrary to the domain which is designed to detect the mastery of knowledge and skills of the candidates. From ancient time‚ everyone thinks that the results of the achievement test will affect the success of the students in their future‚ especially elders. The cognitions of the elders has given a heavy pressure to the students‚ but the students can’t complain to the elders. Along of the changing and vicissitude of the community‚ the students began to have the leisure time
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How Music Affects Us and Promotes Health Music is one of the few activities that involves using the whole brain. It is intrinsic to all cultures and can have surprising benefits not only for learning language‚ improving memory and focusing attention‚ but also for physical coordination and development. Of course‚ music can be distracting if it’s too loud or too jarring‚ or if it competes for our attention with what we’re trying to do. But for the most part‚ exposure to many kinds of music has beneficial
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researchers have produced studies to see if television programs affect a child’s ability to learn. There have been many scholar articles written about how watching television can affect the way child can learn‚ teach bad eating habits‚ and many other issues that can come from watching the “tube”‚ although these studies do not show a control on the type of television that is presented. I believe that with parent controls television can be greatly beneficial for children. When kids watch TV what they are
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concerned. When I asked people about what they think about Globalization‚ some people said that Globalization is a good thing while others said that globalization is a bad thing. When many people heard the word “Globalization”‚ some people think of something that generate a lot advantages and immense opportunity when others think of something that generate a lot disadvantages. So what is Globalization? When we talk about Globalization‚ we talk about the phenomena that affects the world in general‚ in both
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of the following is NOT one of the things that contemporary managers are learning to do? A. Contemporary managers are learning how to succeed in a world of intense competition. B. Contemporary managers are learning how to succeed in an environment of continued globalization of markets and business activities. C. Contemporary managers are learning how to succeed in a world of rapid technological change. D. Contemporary managers are learning to operate in a world that devalues
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