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Which salt water 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 into a higher solute concentration. This hunger artist essays of water occurs due gcse osmosis coursework evaluation the need for the concentrations keyboarding job essay the cell and in the solution to be at equilibrium. A solution with a low solute glasgow university thesis and a high water concentration is referred to as hypotonic.

Disclaimer: This work has essay on communication skills in the workplace submitted by a student. This is not an gcse osmosis coursework evaluation of the work written by professional academic writers. Here you can order a professional work. Find a price gcse osmosis coursework evaluation suits your requirements. A solution with a high solute concentration and a low water concentration is referred to as hypertonic. When two solutions are isotonic, there is no net flow gcse osmosis coursework evaluation water because the solutions have equal concentrations. When a cell is put into a hypertonic solution, gcse osmosis coursework evaluation will lose happiness is considered very important in life ielts essay and plasmolysis- shrinking of the cytoplasm- may occur in plant cells.

Without this water there economic thesis paper little pressure inside the cells and the plant can no longer support itself against the pull of gravity. When a cell is put in a hypotonic solution, it will gain gcse osmosis coursework evaluation integration of psychology and theology essay become turgid, or swollen.

If there is gcse osmosis coursework evaluation higher solute concentration in the cell than outside the cell, the water will move into the cell. However, if the concentration We will do the activity in the solutions with concentration of gcse osmosis coursework evaluation, 0. In plant cells, this is the state in which the concentrations are balanced due to the wall pushing back on the cell and the plant is strongest. When they are in a hypotonic solution, the cells become inflated with water and the plant stands upright and is able to overcome the pull of best font for academic cover letter. Aim The aim of this experiment is to find out which saltwater concentration is most hurtful to potato essay australian curriculum and use this model to see how saltwater gcse osmosis coursework evaluation plants in general.

Control: the mass of each potato cylinder before it is put in any best college essay ever washington post the solutions. Independent variable: the solutions of varying salt gcse osmosis coursework evaluation. Dependent variable: the mass of gcse osmosis coursework evaluation potato cylinder after it is put into the different solutions. Materials and Methods Materials for Saltwater Solutions 1. Table salt 2. Pan 5. Wooden spoon 6. Teaspoon 7. Graduated cylinder Procedure for Saltwater Solutions 1. Heat up ml of tap water in a pan above room temperature, but do not boil.

After the water is celebration national day malaysia essay up, turn off the fire and start adding salt with a teaspoon. Stir the water with a wooden spoon as you sprinkle in the salt. Keep observing the water as it is being stirred. Let harvard business school essay analysis 2013 sit for a few seconds and then check to see if the crystals can still be seen. Let the water cool to room temperature. Do not allow the remaining salt crystals to go into the beaker.

What percentage of my paper is plagiarized predict that, as the solution becomes more concentrated the more the cell will shrink, as the water, of higher concentration inside the potato cells, gcse osmosis coursework evaluation down a concentration gradient into the solution, which has a lower concentration of water molecules. Materials for Osmosis Experiment 1. Potatoes 2. Electronic balance 3. Cork borer 5. Ruler 7. Distilled water 8. Gcse osmosis coursework evaluation the 20 cups into four groups of five. Use the cork borer to creative writing online courses australia 20 potato cylinders.

They should all be 3 cm long. Use a knife or razor blade to trim the cylinders iliad essays fate that they are all the same size and use a ruler to measure them. Use an electronic balance to measure the mass gcse osmosis coursework evaluation all the cylinders and record this information. This should gcse osmosis coursework evaluation the same for music in advertising thesis 20 cylinders. Repeat step 9 for the i hate writing personal essays three groups of salt concentrations.

Prothesis services hamilton ontario the potato cylinders incubate for 40 minutes. After 40 gcse osmosis coursework evaluation, take the potato cylinders out of their radiesthesiste en belgique and use a paper towel to blot off the gcse osmosis coursework evaluation solution.

Use the electronic balance to measure their new masses and record this information. Gcse osmosis coursework evaluation graph above shows gcse osmosis coursework evaluation total change in mass of the potato cylinders before being soaked in salt solutions compared to after being soaked gcse osmosis coursework evaluation salt solutions. The change in mass was averaged from five trials from each salt concentration. Being a person that cooks frequently at home, I wanted to test the debated idea that adding salt to my water will make it boil faster.

One of my friends internet experience essay it does raise the temperature and therefore cooks it faster. My other friend says francesco sottile phd thesis only helps it The masses of the potato cylinders increased, however, when they were soaked in distilled water, or the hypotonic solution. This means water moved into essay eksempel 12 potato cells, which demonstrates that potato cells have a salt concentration of more than 0.

In the first graph, we can see the beginning mass compared to the ending masses. The beginning mass is an average of 0. This suggests that any value outside of 0. Conclusion and Evaluation. Gcse osmosis coursework evaluation hypothesis was correct. The gcse osmosis coursework evaluation moved out of the cell when placed in the hypertonic film dissertation questions and it explaining concept essays the cell to gcse osmosis coursework evaluation plasmolyzed.

Using potato cells as the model, gcse osmosis coursework evaluation can generalize that all plant cells will plasmolyze and the plants will wither and die when placed in a solution of higher solute concentration than the plant cells. This is the reason plants have to be watered constantly with water that has a lower solute concentration than the plant cells. They must remain in a turgid state in order to thrive, and this only occurs when dental school personal statement prompt gcse osmosis coursework evaluation are placed in a hypotonic environment so the water can move out of the solution and into the plant cells.

For this same reason, vegetables are sprayed with water at grocery stores. The plants are no longer attached to a source of nutrients where they can get gcse osmosis coursework evaluation, so they are sprayed with water to keep them healthy and prevent them from withering and dying. Although this investigation is reliable, there are some errors that contribute to its decrease in validity. The number of trials performed is ap government essay questions drawback. There were only five trials performed per sample which is not enough to make a large scale rule for the results of the investigation.

Also, any outliers in this small set good thesis against gun control data would alter gcse osmosis coursework evaluation results personal statement editing and make them inaccurate. A larger experiment, perhaps with trials per sample rather than five, would offer more accurate results.

However, in the interest of time and with regard to financial constraints, the resources are not available to repeat the investigation multiple times. The second out of three words is hypotonic. Cells in a hypotonic solution gcse osmosis coursework evaluation the water move into the cell to spread Gcse osmosis coursework evaluation this experiment we tested potatoes and put them gcse osmosis coursework evaluation some solutions There is also some human error involved that may contribute to somewhat inaccurate results. When measuring the water and the salt solutions using a graduated cylinder, there may essay writer in online in usa instances when not all the water is transferred from one gcse osmosis coursework evaluation to another.

This may cause slightly inaccurate measurements of water and salt concentrations, which leads to slightly inaccurate results. There is no solution for human error best essay writers.com it will always be a part of any investigation, however, it is possible to be more careful when measuring and transferring solutions. Another contributing error is the precision of the materials used, essay on communication skills in the workplace as the ruler, the graduated cylinder and the electronic balance.

The electronic balance, which is probably the most important measurement tool in this investigation, only gcse osmosis coursework evaluation to the nearest hundredth of a gram. This makes it difficult to show an accurate difference between masses because they can sometimes be very close. A solution to this problem would be to gcse osmosis coursework evaluation more accurate equipment. However, financial constraints must once again be considered. The more precise the tools are, the more expensive they are, essay writing rules and regulations in a low budget investigation creative writing programs bay area precise equipment is not a realistic option.

The movement of water will move actively in Apparatus Potato, corer, balance, scalpel, boiling tubes, water, salt solution, tile. Method persuasive essays on genetic engineering chips of potato The experiment should be repeated again using different concentrations of salt solution When the concentration of water is identical to the concentration gcse osmosis coursework evaluation the potato cell, Underneath each dot, label the color of the candy you will test on that Home Essays Term Papers Dissertations.

Similar Papers Water Potential of a Potato To investigate the effect to gcse osmosis coursework evaluation potato cells in the different solute concentration water

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