types of conditions that the solutions will experience. These conditions include hypotonic‚ hypertonic‚ and isotonic. Hypotonic describes the movement of the solution going from a high level of concentration to a lower level of concentration. On the other hand‚ a solution is hypertonic when the movement of the solution goes from a low level of concentration to a higher level of concentration. When a solution is isotonic‚ rather than experiencing movement between two solutions of different concentrations
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Osmolarity TITTLE: practical of estimation of osmolarity in tissues by bathing samples in hypertonic and hypotonic solutions. INTRODUCTION: Osmolarity is the osmolar concentration of plasma and is proportional to the number of particles per liter of solutions shown as (mmol/l). It is derived from the measures Na+ and K+‚ urea and glucose concentrations. Since the volume of solution changes with the amount of solute added also it change in temperature and pressure‚ osmolarity we can say it’s
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conducted for the topic of osmosis‚ the movement of water from high to low concentration. Five artificial cells were created‚ each being filled with different concentrated solutions of sucrose. These artificial cells were placed in hypertonic‚ hypotonic‚ or isotonic solutions for a period of 90 min. Over time‚ the rate of osmosis was measured by calculating the weight of each artificial cell on given intervals (every 10 minutes). The resulting weights were recorded and the data was graphed. We
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The purpose of this lab was to determine the concentration of NaCl or sodium chloride that is isotonic to elodea cells. First off‚ what is osmosis? Osmosis is this huge net of molecules moving through semi-permeable membrane to high concentration to direction where everything becomes balanced. This brings us to what osmolality is. Osmolality is related to osmosis and we know that osmosis has something to do with water so that being said‚ osmolality is number of osmoles of solute per liter in solution
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concentrations. In this lab‚ we will determine the effects of hypertonic‚ isotonic and hypotonic solutions on plant and animal cells. In general when an animals cell’s placed in hypertonic solution it shrivels; a plant cell on the other hand undergoes plasmolysis. When an animal cell’s placed in hypotonic solution‚ it begins to swell and then finally lyse; a plant cell placed in this type of solution however‚ is said to be turgid. In isotonic solution‚ the animal cell stays the same (normal) whereas
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(10X) = High power (40X) = Oil Immersion lens (100X) = 16. Which adjustment knob do you 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
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partially-permeable membrane. It is the movement of water from high water concentration to low water 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 is higher. Therefore the water has moved into the cell and the cytoplasm is pushing against the cell
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theory of molecules. The diffusion is a form of Brownian movement‚ or we can say The Brownian movement leads to diffusion in three different types‚ where the particles move from high concentration to low concentration area‚ which are hypotonic‚ hypertonic‚ and isotonic. 2- What was the role of the indicators (Lugol’s and Benedict’s solutions) used in the cell model experiment? Explain your answer using results you obtained from the cell model experiment. Lugol’s solution is a solution of elemental iodine and
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diffusion at the molecular level. 2. List several factors that influence the rate of diffusion. 3. Explain why diffusion is important to cells. 4. Describe a selectively permeable membrane‚ and explain its role in osmosis. 5. Define hypotonic‚ hypertonic‚ and isotonic in terms of relative concentrations of osmotically active substances. 6. Discuss the influence of the cell wall on osmotic behavior in cells. 7. Explain how incubation plant tissues in a series of dilutions of sucrose can give
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the actions of isotonic‚ hypotonic‚ and hypertonic crystalloids in the body Identify the three most common IV solutions used in the prehospital setting‚ and classify them as isotonic‚ hypotonic‚ or hypertonic Describe how an IV fluid is packaged and important information located on the label of the IV fluid KEY TERMS 5% Dextrose in water—A carbohydrate solution that uses glucose (sugar) as the solute dissolved in sterile water. Five percent dextrose in water is packed as an isotonic solution but
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