• Osmossis Experiment
    The effect of sucrose concentration on OSMOSIS in potato cores Introduction To determine the biological changes that occur in potato cores over a period of time in different strength of sucrose solutions, and to relate these changes to the phenomenon of osmosis. Osmosis is the diffusion of water from...
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  • Biology: lab on termites
    the effect of sugar on the mass of potato Introduction- diffusion is a passive transport where molecules move from areas of higher concentration to areas of low concentrations. Although the molecule's movement is random, equilibrium is being sought out. Osmosis is a type of diffusion...
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  • Bio Potato Core Osmosis
    DCP and CE Potato Core Osmosis ...
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  • Osmosis Lab
    M) (± 0.05) • Dependent Variable: final mass of the cylinders of Solanum tuberosum (± 0.05) • Controlled Variable: temperature, initial length of potato cylinders, volume of the solutions, etc. Apparatus/Materials: • Solanum tuberosum (potatoes) • Sucrose solution (0.0 M, 0.2 M, 0.4 M, 0.6 M, 0...
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  • Osmosis
    microscope, so you are going to use sticks of potato tissue in solutions that have different concentrations of dissolved substances to observe the effects of osmosis on living tissue. There are three basic relative concentrations of solutions. An isotonic solution has a concentration of dissolved particles...
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  • Chardakov method
    Question: investigate the water potential of potato tissue? Introduction All cells require essential materials to ensure their survival. Chemical, physical, and biological processes are used to move these materials inside of cells. Similar processes move waste materials outside of cells. These processes...
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  • Water Retention
    LAB 8: DATE: 15TH November, 2011. FORM CLASS: L6 3 SUBJECT: Biology TITLE: Water Retention AIM: To determine the rate of osmosis in potato cells INTRODUCTION: Osmosis is the net movement of water, from a high water concentration (dilute solution) to a lower water concentration (more concentrated...
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  • Yaaah
    use when focusing on high-power? 17. What stain did you use on the potato cells and why? What did you see? 18. Which structure is responsible for maintaining the size and shape of a plant cells, even in hypotonic and hypertonic solutions? What is it made of? 19. What are the components of the...
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  • Factors Affecting the Movement of Water Through Osmosis
    concentration. Plant cells react to osmosis by hypertonic, isotonic and hypotonic. Keywords Hypertonic – is when the water outside of the cell is lower than that inside. Isotonic – is when the net movement is the same in both directions. Hypotonic – is when the water potential outside the cell...
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  • Osmosis
    Method In this practical the objective is to determine the water potential of tissue from the same potato in different molarities of sucrose solution by submerging the samples of tissue cut into disks, in the varying solutions for an hour, weighing their mass before and after the samples had been...
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  • Osmosis
    Osmosis in Plant Cells Sara Braqi March 25, 2012 Biology I Research Question Which saltwater concentration will have the most damaging effects on potato cells? Introduction Osmosis is the diffusion of water across a selectively permeable membrane. Generally, water moves from a lower solute concentration...
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  • Osmosis
    osmosis in potato chips. We aim to find out the different outcomes that can take place when the potato chips are placed in different amounts of concentrated solutions. Prediction I predict that if you increase the concentration of sugar solution, you will decrease the mass of the potato chip. ...
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  • Woah
    this process are hypotonic, hypertonic, and isotonic solutions. In this experiment, we learned about osmosis and diffusion through potato cores in different concentration of sucrose, (distilled water, 0.2, 0.4, 0.6, 0.8, and 1.0). Topic: How does Osmosis affect the weights of potato slices in different...
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  • Biology Osmosis Experiment
    Concepts September 16, 2011 Osmosis Experiment Directions Use the information below to complete the Osmosis Experiment. Materials 1 fresh baking potato Water Salt Four small containers (i.e., drinking cups or clear glasses) A metric ruler Methods and Procedure 1) Place 1 cup (236 ml) of water...
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  • Bio Midterm Study Guide
    your drawings large and clear • Drawings need a title and features must be labeled 1. the stem 2. The roots 3. The leaves. Onion is a stem Potato is a root Three main organs Anchors the plant Absorb water/minerals in plants Roots Stores food leucoplasts. stem Support plant body/...
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  • Effect of Temparature on Yeast Fermentation
    Otieno Estimating Osmolarity of plant Cells(potato and celery)by percentage change in weight Using different sucrose concentrations Introduction The purpose of this experiment was to estimate Osmolality of plants cells i.e. Potato and celery by converting the observed change...
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  • BIO 107
    0.1M, and 0.05M. We also placed a 6g and 10g potato piece in water to act as a control. Based on the weight percent change over 60 minutes, the 6g potato piece had faster water movement than the 10g. This confirms out hypothesis that smaller potato pieces will have a faster rate of water movement...
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  • Biology Lab1
    concentration move to an area of lower concentration to reach equilibrium. The bag with 0.4 M would not experience a mass change since the two solutions are isotonic. Bags with 0.6, 0.8 and 1.0 M would experience a mass increase because water would move into the bags to equalize the concentrations. 3. Since the...
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  • A Molarity Lab
    ------------------------------------------------- ------------------------------------------------- What is the Molar Concentration (Solute concentration) of a Potato? ------------------------------------------------- ------------------------------------------------- ------------------------------------------------- ...
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  • Mass and Water Potential
    situations. My question in C is what will make the mass increase or decrease? My question in D is what will make the water potential hypotonic, hypertonic, and isotonic? First, I will describe how C was investigated. To get it started, we got 5 30-cm strips of presoaked dialysis tubing, tied a knot...
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