"Osmosis potato report" Essays and Research Papers

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    One purpose of the experiment was to gain an understanding of diffusion and osmosis‚ specifically in context of a plant or animal cell reaction to an isotonic‚ hypotonic‚ or hypertonic solution. Another objective was to understand the nuances of simple diffusion‚ facilitated diffusion‚ and active transport and to explicate the characteristics affecting the rates of diffusion. The next objective was to be able to explicate the partition coefficient and its influence on hemolysis. The final objective

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    test and get the most accurate results. My prediction is half correct. In some cases it is correct because the concentration is higher and the mass of the potato is lower‚ but in other cases the mass of the potato gets higher‚ which I did not predict. For example‚ on the 1st experiment at 2 and 4 concentrations the mass of the potato goes up and the same happens on the 2nd experiment at the 6% concentration.

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    The potato is a starchy‚ tuberous crop from the perennial Solanum tuberosum of the Solanaceae family (also known as the nightshades). The word may refer to the plant itself as well as the edible tuber. In the region of the Andes‚ there are some other closely related cultivated potato species. Potatoes were introduced outside the Andes region four centuries ago‚ and have become an integral part of much of the world’s cuisine. It is the world’s fourth-largest food crop‚ following rice‚ wheat and maize

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    concentrated area to a low concentrated area. Water is one molecule that can diffuse freely in a cell. Other molecules need assistance through the cell membrane through a process called facilitated diffusion. Osmosis moves from an area of low concentration to high concentration. In osmosis water moves in the opposite way. Water flow is determined by the concentration‚ not the nature of the solute. There are a couple of things to consider for diffusion to work. The size of the cell‚ permeability

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    Research Project: Potato The potato originated in the South American Andes‚ but its heartland of wild genetic diversity reaches from Venezuela‚ Colombia‚ Ecuador‚ Peru‚ Bolivia‚ Argentina‚ Chile‚ Uruguay‚ Paraguay‚ southern Brazil‚ northward into Central America‚ Mexico‚ and the southwestern United States. Potato was first cultivated between 3 and 7 thousand years ago‚ some scientists believe they may have grown wild in the region as long as 13‚000 years ago. Potato is the third most important

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    http://thegrabup.com/?p=811 Significance Of Osmosis (700-1200) Osmosis is a process of movement of solvent through a semi permeable membrane from an area of high water concentration to an area of low water concentration to equalize the concentration of solute to both side of the membrane. . Water is sometimes called "the perfect solvent‚" and living tissue (for example‚ a human being’s cell walls) is the best example of a semipermeable membrane. Osmosis process as demonstrated below shows that when

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    Table Nr 1. Color changes in IKI test for presence of starch and for presence of sugar in Benedict’s test |Part 1 |Original content |Original color |Final color |Color after Benedict’s test | |Sausage casing |glucose and starch |clear |clear | | |Beaker |distiled water |transparent |transparent

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    The Osmosis Scientific Paper Emily N. Charbonneau Grand Valley State University The point of this experiment was to observe if the different concentrations of sucrose would change the speed of osmosis. Osmosis is a process of a fluid that will pass through a semipermeable membrane into a solution which most of the time has a higher concentration. Osmosis will be demonstrated throughout the lab. The importance of osmosis in a plant and animal cell there is a cell membrane‚ which helps liquids and

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    Biology Lab Report 2 Investigating the phenomenon of Osmosis in plant tissues: Potato in different concentrations of NaCl Tutor: Maria Tsaousidou By Marina Gkritzioudi Biology Lab Report 2 Investigating the phenomenon of Osmosis in plant tissues: Potato in different concentrations of NaCl Tutor: Maria Tsaousidou By Marina Gkritzioudi Investigating the phenomenon of Osmosis in plant tissues: Potato in different concentrations of NaCl Introduction: Osmosis is the movement of

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    Keegan Bauman Potato Lab Dr. Peano Block 1 Introduction: Potatoes are just your average food; they have been around for as long as the human race can remember. In this lab we will make them be a prime example of osmosis‚ which is a transport mechanism. In this lab the problem being tested was what environment affects the mass of the potatoes the most. The independent variable is the environments used salt‚ water and iodine solution. The dependent variable is the mass of the potato after being

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