Osmosis using potato cores and sucrose solution 1.0 Abstract This experiment’s ultimate goal is to find the water potential of the potato cell. This was achieved through placing potato cores in different concentrations of sucrose (0.2%‚ 0.4%‚ 0.6%‚ 0.8%‚ 1.0%‚ 2.0%‚ 3.0% and 4.0%) solution and to observe how much water was gained or lost through osmosis to reach a prediction of the concentration within the potato cell. The results displayed that the concentration of sucrose within the potato cell is
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and farming. The pressures are due to the customers also. Some of them insist that the bags for chips should be eco-friendly while other applauds Frito-Lay for its green efforts. Because of this‚ Frito-Lays sales have dipped as they introduced the eco-friendly Frito-Lay was threatened to be sued by a news service company and The Centre for Science in the public interest (CSPI) after Frito-Lay switched the name on its olestra-laden snack line. This came into picture when FDA withdrew a requirement
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James Hilton’s novel Goodbye‚ Mr. Chips is the story of an English schoolmaster who dedicated his entire adult life teaching young boys. He was a somewhat shy person. Nevertheless he was a competent school teacher‚ professional and attractive in many different ways. Although his first teaching experience was not successful‚ he was determined to become a good schoolmaster. After coming to Brookfield‚ he began to warm up to his students. But more important he brought discipline to his school which
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Lay people are local members of a community who are randomly selected to hear both criminal and civil court cases using the electoral voting register. They usually hear the majority of criminal cases. They have no knowledge or legal qualifications of the law‚ however there are some formal requirements needed to become a lay person. Lay magistrates and juries are required to; • Be between the ages of 18 to 65‚ • Have no criminal records • Not be a member of the armed forces. • be on the electoral
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Since potato cells were used for this type of experiment‚ in an Isotonic solution the solute and water concentration are the same as inside the cell in which the isotonic solution contains 0.9% NaCl. In other words‚ water moves in and out in the same amount without causing any changes. In a hypertonic environment‚ the solute concentration is greater and water concentration is less outside the potato cell in which the hypertonic solution contains 10.0% NaCl. This solution will cause the potato cells
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This Chip Can Tell If You’ve Been Poisoned Quick detection. This 2-cm-wide chip (inset) can quickly test for botulism‚ a deadly disease caused by theClostridium botulinum bacterium. When you are dealing with a deadly poison that can be found in food and is a potential terrorist weapon‚ you want the best detection tools you can get. Now‚ researchers in France have demonstrated an improved method to detect the most deadly variant of the botulinum neurotoxin‚ which causes botulism. Their test
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Investigation into how pH levels affect Catalase activity in potato samples – (enzymes) Introduction: The aim of this investigation is to understand and monitor the effects pH levels have on catalase activity within controlled potato samples. Catalase is a type of enzyme that is found widespread among organisms that grow in the presence of oxygen (almost all living things) its specific use is to speed up the decomposition of Hydrogen peroxide (H2O2) within cells. Hydrogen peroxide is a bi-product
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Effect of Osmosis on Potato Aim: To investigate the effect osmosis has on potato pieces that are placed in different concentrations of sugar solutions in water. Hypothesis: I believe that the more saturated the solution is the lighter the potato will be‚ and the potato in the clear water will weigh more after being left in the solution over a 24 hour period. This is because the cell membranes in the potato act as semi permeable membranes (meaning that they only allow certain molecules through)
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SWEET POTATO (IPOMOEA BATATAS) AS SOIL ENHANCER Submitted by: Submitted to: Sean Rogers N. Reyes Mr. Andrew Tenorio Kyle Martin A. Villagen Karl Harvie D. Villoso Contents Idea: Sweet Potato Peelings as Soil Enhancers 3 Chapter 1- Introduction 3 Background of the Study: 3 Statement of the problem: 3 Specific: 3 Statement of the hypotheses: 3 Main: 3 Specific: 3 Significance of the Study: 4 Scope
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Food Inc This movie is a documentary of how foods are being produced and it helped us show the basis of how food is packaged and sold locally in our grocery stores. This movie reveals what our industry has been trying so desperately to keep from us. We have a right to know what we put in our bodies. We have a right to know whether the food we’re eating has been genetically modified‚ or where it comes from. After watching the film Food‚ Inc. I gain knowledge on parts of our food industry that was
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