isThe effect of sucrose concentration on the rate of osmosis across a potato’s cell membrane submerged for 94 hours in the solutation. Background Information: Osmosis is the movement of solvent molecules across a partially permeable membrane. They move from a region of low concentration (hypotonic) to a region of high concentration (hypertonic). The rate of osmosis across a eukaryotic cell membrane can be affected by different factors; including temperature‚ concentration gradient‚ water potential
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Osmosis Lab Research Question: In this lab‚ our goal was to look at the effects of different sucrose concentrations on osmosis in potatoes. Our research question was “How do the sugar levels affect the rate of osmosis in potatoes?”. Background Information: Solutions consist of solutes dissolved in a solvent. In all living organisms there are many different types of solutes including salts and sugars. The major solvent is water. There are different concentrations of solutes in various regions
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Osmosis of Sucrose Solutions of Different Molarities Through Dialysis Tubing (a Semi-Permeable Membrane) I. DESIGN A. PROBLEM/RESEARCH QUESTION 1. How does increasing molarity of sucrose affect osmosis through dialysis tubing? B. VARIABLES 1. The independent variable in this lab is the molarity of sucrose each dialysis bag is filled with. The time (30 minutes)‚ the temperature (23C) and the type of dialysis tubing used are all constants. 2. The dependent
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NAME: Donna Ha TITLE: Measuring the Rate of Osmosis Using “De-shelled” Chicken Eggs INTRODUCTION: In order to fully understand the concept of this experiment‚ one must first be introduced to diffusion. Diffusion is a spontaneous process by which molecule particles move from one area that is highly concentrated to another area in which its concentration is lower. Cells contain fluids and are surrounded by fluids; in order for a cell to function it is required to be in a balanced state. The
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disaccharides‚ specifically sucrose. Sucrose is more commonly known as table sugar. It has a chemical formula of C12H22O11. It is physically described as a white‚ odorless (although when heated‚ it may have a caramel-like odor) solid with a crystalline/powdery texture. In addition‚ sucrose also has many compelling chemical properties. Sucrose is a polar molecule‚ which can be identified by observing its asymmetrical shape. In addition‚ this substance
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in a test tube with a low potential of sucrose solution would become turgid because the water molecules that are present in the swede will move away from an area of higher potential of water molecules to an area that has a lower potential of water molecules‚ this means that the swede sample will gain mass and become full almost to an extent where it is ready to burst. The swede samples that are going to be put in a test tube with a high potential of sucrose solution will become flaccid because the
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Exercise 1 – Potato Change in Mass versus Sucrose Concentrations Introduction: This exercise involves estimating the osmotic concentration of potato tuber cells by using a change in mass method. The null hypothesis states that there will be no change of mass of the potato disks after they have been incubated in any sucrose solution. This means that the concentration of sucrose that the potatoes are in will no effect the movement of water in or out of the potato cells. However‚ the alternative hypothesis
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THE AFFECTS OF DIFFERENT SUCROSE SOLUTIONS ON OSMOSIS OF EGG MEMBRANES A laboratory report submitted for LE@D Biology 1004 Michele Liveley Arkansas State University Mountain Home Mountain Home‚ AR September 2013 Osmosis Egg Lab Report Introduction Osmosis is the passing of water or other solutions from an area of high concentration of particles to an area of less concentration. The cell membrane is an organelle‚ selectively permeable‚ and only
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dialysis tubing Sucrose solution concentrations of 0M‚ .2M‚ .4M‚ .6M‚ .8M‚ 1.0M String Balance 6 beakers or plastic cups
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