Introduction Food is any substance consumed to provide nutritional support for the body. It is usually of plant or animal origin‚ and contains essential nutrients‚ such as carbohydrates‚ fats‚ proteins‚ vitamins‚ or minerals. The substance is ingested by an organism and assimilated by the organism’s cells in an effort to produce energy‚ maintain life‚ or stimulate growth. Today‚ most of the food energy consumed by the world is supplied by the food industry. Most common food that people consume
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ST ANDREW’S JUNIOR COLLEGE JC 2 Preliminary Examination CHEMISTRY 9647/03 Higher 2 13 September 2010 Paper 3 Free Response 2 hours Candidates answer on separate paper. Additional Materials: Answer paper‚ Graph Paper‚ Data Booklet READ THESE INSTRUCTIONS FIRST Write your name and civics group on all the work you hand in. Write in dark blue or black pen on both sides of the paper. You may use a soft pencil for any diagrams‚ graphs or rough working. Do not use staples‚
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involved in respiration‚ photosynthesis and protein synthesis work inside cells. Other enzymes are produced by specialised cells and released from them. The digestive enzymes are like this. They pass out into the gut‚ where they catalyse the breakdown of food molecules. Different enzymes catalyse different reactions. The table below shows three enzymes and which reaction they catalyse. Enzyme Reaction catalysed Amylase Starch → sugars Protease Proteins → amino acids Lipase Lipids → fatty acids
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The Titration of a Basic Solution of Unknown Molarity with a Standard Hydrochloric Acid Solution Abstract The aim of the experiment was how to determine the molarity of a solution. My hypothesis was if I have to determine the molarity of a NaOH solution‚ then I would have to use a standard solution of HCl solution because I would need to neutralize each other to determine the concentration of the solution of NaOH. The method that I used for this experiment was titration. Titration helped
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Kayla Adkins Forensic Chemistry Exam 2 I have been honest and observed no dishonesty. 1. In specific detail‚ describe a published procedure for the definitive identification of Heroin utilizing gas chromatography-mass spectroscopy (GCMS). Heroin is a white crystalline powder with no odor and a bitter taste. It is a derivative of morphine in that the –OH (hydroxyl group) is replaced by an acetyl group‚ -OCOCH3 and has a molecular formula is C21H23NO5 with a molecular weight of 369.42
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Adverse reactions to food Review Peanut Allergies The essay is being reviewed by the following criterias: Format and structure Clarity and precision Quality and reliability of sources Evaluation of sources Presents a clear and substantiated arument Provides clear and applicable recommendations for hospitality industries The reason for choosing the above lies on judging the essay whether or not it provides a clear and consise range of information. It will help the author to know the range of sources
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Zoë Zwinkels 7-7B 2014-02-28 Fast food- persuasive essay Imagine a world full of fast food restaurants. No more needs for salad‚ just hamburgers and fries. We aren’t at this point but we are going there with the fact that the amount of fast food restaurants went up with 300% the past few years. The amount of obese children has gone up‚ unlike their life span which is going down with every visit to the McDonald’s or the Burger King. Kids aren’t realizing what they are eating‚ and what they should
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Name: __________________________________ ( ) Class: 4Q HWA CHONG INSTITUTION PRELIMINARY EXAMINATION 2010 CHEMISTRY 5072 Paper 1 Time: 1 hour INSTRUCTIONS TO CANDIDATES Do not turn the pages over until you are told to do so. Write your name and index number on the answer sheet in the spaces provided. There are forty questions on this paper. Attempt all questions. For each question‚ there are four possible answers labelled A‚ B‚ C and D. Choose the one you consider correct and
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Eating it when it first comes out of the oven is an extraordinary experience. The steam rises‚ omitting a delightful aroma that will make any mouth water. The gooey pools of cinnamon and brown sugar juxtapose mountains of crusty goodness; sit atop a moist‚ firm cake. Sliding a knife through the warm cake in order to retrieve a piece from the center; which is the most delectable part; promotes anticipation for the moment when the cinnamon‚ brown sugar and cake‚ can touch the lips. Placing a piece
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Fast Food Nation Essay ! The food that we eat today is far different from what it was just a century ago. The way we consume our food has changed more in this last 100 years than it has in the whole history of humanity. Food is what fuels your body‚ so in a sense‚ you are what you eat‚ but it goes deeper than that. It is very important to know where your food comes from. Within these last 100 years‚ we have become disconnected from the earth. About 99% of what we eat is grown packaged and sold
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