• Bio Lab
    hypertonic, hypotonic or isotonic. My hypothesis for this experiment was that the 0.0 to 0.3 molarity solutions would be hypotonic to the potato tissue, the 0.4 molarity solution would be isotonic and the 0.5 & 0.6 molarity solutions would be hypertonic. If the sucrose solution increased then their...
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  • Potato Lab
    Potato Lab Background information: A hypertonic solution is a concentration that is higher than the solution. A Hypotonic solution is a concentration that is lower than the solution. An isotonic solution is a concentration and solution that is the same amount. Hypothesis question: What will...
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  • Osmosis/ Potato Lab Ap Bio
    observe the effect of isotonic, hypotonic, and hypertonic solutions on potato cells. Independent variable: Sucrose concentration Dependent variable: Potato weight Hypothesis: I hypothesize that when the sucrose concentration is higher, the weight of the potato cylinders will decrease and when...
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  • Bio. Lab. Report - Membrane Transport
    Objectives: To study the effects of hypotonic, hypertonic and isotonic solutions on plant and animal cells. Materials and Apparatus: * Microscope * Electronic balance * Stirring rod * Small knife * Glass slide and cover * 250, 500 ml beakers * Distilled water...
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  • Osmosis and Diffusion Lab Report Introduction All Cells Contain Membranes That Are Selectively Permeable, Allowing Certain Things to Pass Into and Leave Out of the Cell. the Process in Which Molecules of a Substance
    : Discussion When the potato gains weight it was in a hypertonic solution, and when the potato loss weight it was in a hypotonic solution. If the potato would not have changed weight it would have been an isotonic solution, but that was not the case in this experiment. The potato either gained, or...
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  • Osmosis
    osmotic pressure in a fluid compared to another fluid, as in a ‘hypotonic solution’ – compare: hypertonic and isotonic  • Hypertonic: ➢ Having a higher osmotic pressure in a fluid relative to another fluid. • Isotonic: ➢ Having the same (or equal...
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  • Smithsonian
    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...
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  • Transport Across Membrane
    cells also show the same effects as the epidermal onion cells when placed in hypotonic, isotonic and hypertonic solutions. In 10% (w/v) NaCl, the weight of potato sticks decreasing in large percentage around 16% - 13%. This shows the water in the cells moves out by osmosis to the extracellular...
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  • final
    losing mass. At the sucrose concentrations 0.2M and 0.3M we reached the point where the potato is at an isotonic environment, it would be between 4.02% to -3.26%. Our results lead us to have significant difference.. The sucrose concentrations that are in a hypotonic and hypertonic solutions support...
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  • Osmosis Lab
    | -opaque-orange colour | 84.10 | Carrot 2 | 2.29 | -orange colour-not as sturdy | 2.52 | Potato 2 | 2.49 | -yellowish colour-not as sturdy | 2.98 | Part B Purpose To observe changes in plant cells when they are placed in a hypotonic(distilled water) solution and a hypertonic(saturated...
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  • Biology
    referred to as dynamic equilibrium. Hypothesis Solution A is hypertonic to the potato; the potato submerged in Solution A will weigh more than the potatoes in the hypo/isotonic solutions. Solution B is hypotonic to the potato, so the potato will weigh less comparatively. Solution C is...
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  • Lab Report Tansport Across Membrane
    . Experiment 2 : Introduction : The purpose of doing this experiment is to determine the effects of isotonic, hypotonic, and hypertonic solutions to potato cells. From a brief opinion we can conclude the hypothesis ; the concentration of an external solution which is isotonic to the cell sap does not...
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  • BIOL 1208 Writing Assessment 2
    either be hypertonic, hypotonic or isotonic depending on the results of mass change of the potato tubers. Results: Sucrose Concentraion (mM) Change in Mass (%) 0.0 0 0.1 16 0.2 -34 0.3 -24 0.4 -36 0.5 -26 Table 1: Percentage change in mass of potato disks (%) versus sucrose...
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  • Diffusion
    adjust to varying chemical concentrations in the environment and to observe the effect of isotonic, hypotonic and hypertonic solution on cells. I hypothesize that when the sucrose concentration will change, the mass will also change. For this experiment, the following materials were used...
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  • Diffusion and Osmosis
    , we determined that the distilled water was the hypotonic solution and the salt water was the hypertonic solution and had a higher OAS. We determined that the preferred way of living for plant cells is in either an isotonic or hypotonic environment. In experiment 5.3 we determined that as the sucrose...
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  • Osmosis
    do the water will go from low concentration to a higher concentration in the potato. 5. Draw a diagram of a cell in a: a. hypertonic environment; b. isotonic environment; c. hypotonic environment 6. What proof do you have that potatoes have that potatoes contain some salt? What is the...
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  • Osmosis Potato Lab Report Biology 4u
    , & Isotonic The above graph is similar to that of Figure 1.3, but this has labeled which solutions were hypertonic to the potato cytoplasm, which were hypotonic, and which was isotonic. As the concentration of the sugar increases, the more mass the potatoes would lose. This would make the...
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  • Osmotic Pressure Report
    would get a hypotonic solution, which has been observed with positive results but the other molarities of 0.3M and 0.4M to 0.5M were predicted to be getting an isotonic solution and hypertonic solution respectively. The hypotonic solution at 0.1M and 0.2M shows that the cell has expanded in the potato...
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  • Osmosis
    movement of water is referred to as osmotic pressure. When potato tuber cells are placed in the sucrose solution of different concentration, there is an expected weight loss in solution of higher concentration (hypertonic solution) or weight gain in solution of less concentration (hypotonic...
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  • 2.03 Cell Membranes and Homeostasis
    what I observed, my hypothesis, stating that the potato will absorb more starch than the sweet potato, was correct. 2. Use your observations to explain if each type of cell (potato, sweet potato/pear/apple) was isotonic, hypertonic, or hypotonic to each of the solutions. Explain what happened to each...
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