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    Osmosis Lab Report

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    class average‚ there is evidence that osmosis did occur in the bags. The largest change in mass was in the 1.0M sucrose bag the mass went from 12g initially to 14.2g‚ this gained 2.2g‚ an 18.3% change in mass for the group data over the duration of the experiment. The 0.2M bag went from 10.2g to 10.9g a 6.9% change in mass; the 0.4M bag went from 12.1g to 12.2g .83% change in mass; the 0.8M bag went from 10.9g to 12.2g and an 11.9% change in mass. During osmosis water diffuses‚ going from an area

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    Osmosis Effect on Rbc's

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    Effect of Osmosis on RBC’S Objectives : 1)Find the difference between three Red Blood Cell’s samples that undergo Osmosis in : a)0.5 % Distant Water solution. b)0.9 Nacl solution. c)10 % Nacl solution. 2)What materials did you use. 3)Define the procedures that the three samples undergo. 4)Give a brief result for your experiment. Materials : Sterilized lancets ; 3 blood samples ; 3 slides ; antiseptic wipes ; bandages ; tooth picks ; 0.5 % d.w solution ; 0.9 % Nacl solution ; 10% Nacl

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    Effects of Temperature on Beetroot Cell Membranes Background Information: A cell membranes is a thin structure that surrounds the whole cell. It contains the cytoplasm of a cell. The cell membrane is made up of hydrophilic region and a hydrophobic region. The hydrophilic region likes water‚ it is on the outside of the cell‚ the hydrophobic region is the inside of the cell where its protected from H2O. The cell membrane’s outer surface lets larger molecules into the cell. The inner surface deals

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    effects of temperature on the membrane permeability of beetroot. I will be measuring the amount of anthocyanin that will diffuse out of the beetroot. The way in which I will measure the anthocyanin is to check the light absorbency of the solution using a colorimeter. The higher the reading on colorimeter the more anthocyanin present in the solution To find out the permeability of the beetroot membrane I will firstly cut out cylinders of beetroot using a cork borer‚ I will slice them into a certain

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    osmosis in gummy bears

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    Investigating the effect of different concentrations of glucose on the percent change in mass of Gummy bears according to their respective colours In this experiment osmosis is the main process taking place. Osmosis is the diffusion of water molecules of a solvent which pass through a semi permeable layer and in most cases are due to a concentration gradient meaning that the water molecules travel from an area of low concentration to one of higher concentration. In this investigation‚ gummy bears

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    concentration than itself‚ the potato chips lost weight. As there was a higher concentration of water molecules inside the potato chip compared to the concentration of water molecules outside the potato chip. It was stated in my prediction that osmosis is the diffusion of water molecules from a high to a low concentration‚ therefore water molecules from inside the potato chip moved out into the solution. Leading to the cytoplasm inside the cells to shrink and become flaccid. As the cells of the

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    Osmosis and Potato Cube

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    Diffusion and Osmosis Introduction Tonicity refers to the concentration of solutes in a solution (Lab 6-7). There are three stages of tonicity: Isotonic‚ hypertonic and hypotonic. Four unknown solutions were given and labeled as followed: Solution A‚ Solution B‚ Solution C‚ and Solution D. 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

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    Mateo BS AT - 1A NSCI 121 Assignment no.1 (Finals) 1.)What is Osmosis? Osmosis is the diffusion of the movement of water from a region of higher concentration to a region of lower concentration through a cell membrane or other semi-permeable membrane until an equilibrium is reached. It is a special case of diffusion (passive transport).  Basic Explanation : Osmosis can occur when there is a partially permeable membrane‚ such as a cell

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    Osmosis Lab Report

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    Consequently‚ osmosis is leveling the concentrations on both sides of the membrane. However‚ the higher the temperature is‚ the higher osmosis will perform within the plant cell. When the molecules are heated‚ they start to move faster‚ causing osmosis to perform faster than at a neutral temperature. Temperature is just one of the many factors that can affect osmosis‚ such as‚ the pressure (the less pressure‚ the molecules will move leisurely

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    Osmosis Lab Report

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    G. Y. S. Period: 6 09/11/12 Osmosis Lab I. Objective: The purpose of this lab is to put the solutions in chronological order from least to most molarity. If the solutions are hypertonic then‚ the water will go in and the order of the substances will be C‚ D‚ A‚ B‚ E. II. Materials and Methods: See attached page. Results: Table 1.1 III. Table 1.1 | Initial | Final | % Change | A | 11.4 | 11.86 | 4.03% | B | 11.67 | 15.33 | 33.68% | C | 10.84 | 11.86 | 9.4% | D | 12.02 |

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