An experiment was run to determine which enzyme (pectinase‚ and cellulase or combinations of the two enzymes) maximizes juice production and would be most cost effective. The proposed hypothesis was if the enzyme‚ pectinase‚ is added to apple juice‚ then the more juice will be extracted than if cellulase were added because pectinase holds the cell wall together and if it is separated apart from each other‚ then the more juice would be able to flow out. The experimental data show that during the ten
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� PAGE * MERGEFORMAT �4� December 2‚ 2011 Understanding Human Diversity Movie Reaction The purpose of this paper is to reflect upon and react to the exercise "Blue-eyed/Brown-eyed" conducted by Jane Elliot in relation to the ideas of diversity‚ race‚ and privilege. The objective of this exercise was to give white people an idea of what life is like to be something other than white. Elliot ’s exercise pointed out both blatant and indirect ways that prejudice demoralizes people of color. Elliot
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affecting the rate of reaction‚ PNPP (p-nitrophenyl phosphate) + H20 ? PNP (p-nitrophenol) + H3P04. This reaction is catalyzed by the enzyme phosphatase. Different environments produced different reaction rates as environmental factors affect the efficiency of phosphatase. This is because environmental factors can change the tertiary structure of phosphatase‚ which alters its active site‚ and thus changes its efficiency to catalyze the reaction. We measured the rate of reaction‚ by using a chromogenic
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Lab 1: Effect of pH on sodium benzoate‚ a food preservative Sheikh M Zakaria Person no. 36295651 TA: Synthia Gratia Date of Submission: 05/29/13 Abstract Sodium Benzoate is a common food preservative used in food products such as jams and jellies‚ soft drinks‚ pickles‚ condiments etc and in tinned products in the market. This experiment aimed to determine whether benzoic acid is formed from it’s superior soluble form sodium benzoate in stomach acid‚ which is simulated by HCl (pH=2). It has been
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|Experiment One: Control | |Five |Experiment Two: Temperature Change | |Six |Experiment Three: Alteration of PH | |Seven |Experiment Four: Increased Salinity
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Introduction Enzymes are protein based structures that help speed up chemical reactions. They help these reactions keep up with the everyday metabolic needs and other like functions of organisms. Enzymes are also considered catalysts‚ due to the lowering in activation energy‚ in which they are not consumed or changed at any point during the reaction. These enzymes have three main protein structures that help keep them formed and intact. Stage 1 of these structures is the primary structure‚ which
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concentration on enzyme catalase Indroduction: Enzymes are proteins. They function as biological catalysts. They lower the energy barrier of a reaction so that the reaction can take place at body temperature. Also‚ they can speed up Metabolic reactions without being changed or used up. During a reaction‚ an enzyme molecule combines temporarily with the substrate. When the reaction is complete‚ the enzyme molecules returns to its original dorm and the product is released. So enzymes are never wasted
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IA Report 2011 5/31/2011 Enzyme Activity Experiment Introduction 3 AIM 3 Materials 3 Method 4 Result 5 Table 1: 5 Table 2: 5 Graph 1 6 Discussion 6 Conclusion 8 Bibliography 9 Appendix 1 (Test tube 3- 45 degrees) 9 Appendix 2 (Test tube 1- 5 degrees) 9 Appendix 3 (Test tube 2- 20 degrees) 9 Introduction Phenolphthalein is an indicator that is pink in alkaline solutions of about pH10. When the pH drops below pH 8.3 phenolphthalein will go colourless. Here
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Experiment 1 : Design and preparation of buffers effective at different pHs Abstract The body uses natural buffers to maintain the many different pH environments in our body. This is important for optimum activity of our enzymes. When doing experiments in vitro using these enzymes it is important to mimic intracellular conditions using artificial buffer systems in order to obtain accurate results. In this experiment the buffering properties of three artificial buffer systems containing acetic
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AIR POLLUTION IN THE PHILIPPINES Guides and Tips Home / Blog / Air Pollution in the Philippines Air pollution is a common and frequent problem nowadays. When you are on your way to work‚ you pass by your neighbors’ backyard where he is currently burning their garbage from yesterday‚ then you come across a smoke-belching public utility vehicle‚ then a guy beside you lighted a cigarette and started suffocating you with second-hand smoke. You cannot always depend on your handkerchief on covering
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