2013/2014 DMK2‚ DEM2 & DRM2 COURSEWORK: ABDT3074 MARKETING RESEARCH (40%) INSTRUCTIONS: 1. There are two types of coursework as follows: 1.1 Coursework 1 (20 marks) is a Mid-Term Test and 1.2 Coursework 2 (80 marks) is a group written assignment and individual presentation. 2. Coursework 1 is a Mid-Term Test to be conducted in Week 6 based on a Case Study. Students are required to write answers to the Case Study questions. 3. Coursework 2 is a group written assignment and
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P. M.‚ Pardo‚ J. M. (1995) Ion Homeostasis in NaCl Stress Environments. Plant Physiol. 109‚ 735-742 Volkmar‚ K.M.‚ Hu‚ Y.‚ Steppuhn‚ H. (1998) Physiological responses of plants to salinity: A review. Can. J. Plant Sci. 78‚ 19-27. Wikipedia (2006) Osmosis. Wikipedia‚ the free encyclopedia. [excess on 25 of April 2006] Wikipedia (2006) Polyol. Wikipedia‚ the free encyclopedia. [excess on 25 of April 2006]
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Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration. Because of the selective permeability of the membrane only water and other very small particles (iodine) can be diffused through simple diffusion. The solution out of the dialysis tubing had a higher distelled iodine concentration of solutes (iodine + H2O) than did the starch solution. So iodine move into the cell and react with starch molecules to formed starchiodine‚ the blue compound
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Before starting your coursework The coursework is in two parts‚ but they are linked. This is done so that you can receive feedback on Part 1 to help you with Part 2. Choose a country to analyse: it cannot be the UK as many of the lecture examples are from the UK. It is recommended that you analyse your "own" country but you do not have to. Be careful though‚ countries like Nigeria have so little information available that it is very hard to obtain regulatory information and Case Study examples
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Using Sucrose Solutions to Determine Osmolarity of Potato Tubers Based on Weight By Thomas Pelikan Biology 200A Section 004 Kimberly Schmidt October 2‚ 2012 Abstract: In this experiment we were trying to determine the osmolarity of potato tubers by weighing them before and after incubating them in solutions of sucrose with varying molarities. To find the osmolarity we took a potato and used a cork borer to obtain seven samples of potato tubers. We then prepared seven beakers with concentrations
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Review Sheet 1 Results 1. Describe two variables that affect the rate of diffusion. Your answer: Two variables that affect the rate of diffusion are the MWCO membrane and the solute concentration. Increasing the membrane size and solute concentration will also increase the average diffusion rate. Decreasing the membrane size and solute concentration will reduce diffusion rates and can even prevent all diffusion. 2. Why do you think the urea was not able to diffuse through the 20 MWCO membrane
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Solution A homogeneous mixture of two or more substances with each substance retaining its own chemical identity. Solute – substance being dissolved. Solvent – liquid water. General Properties of a Solution 1. Contains 2 or more components. 2. Has variable composition. 3. Properties change as the ratio of solute to solvent is changed. 4. Dissolved solutes are present as individual particles. 5. Solutes remain uniformly distributed and will not settle out with time. 6. Solute
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Aim The aim is to find the concentration (mole/dm3 (M)) of solute in a potato cell by using the process of osmosis and different concentrations of sucrose solution. Background information Osmosis is diffusion of water across a partially permeable membrane. It moves from a solution with less solute concentration (high water potential) to a solution with more solute concentration (low water potential). The one with a high water concentration is called a hypotonic solution and the low water concentration
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Introduction The purpose of this lab is to find out which osmotic environment the eggs are in while sitting in different liquids. There are three different types of environments: hypotonic‚ isotonic‚ and hypertonic. Hypotonic solution causes the cell to swell until it bursts. Hypertonic solution causes the cell to shrink or to lose weight. Isotonic solution doesn’t cause the egg to shrink or swell‚ it keeps the cell the same it’s just in a different environment. The hypothesis for the egg in
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down sucrose is too large of a molecule to diffuse through semi permeable membrane and wouldn’t be able move in and out of cells affectively. Because potatoes have sucrose inside them a concentration gradient is present and if placed in any solution osmosis movement of water through semi permeable membranes would naturally occur. If the concentration of sucrose in the solutions is less than the concentration in the potato then the potato will gain mass and vice versa. In conducting this experiment sucrose
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