"Osmosis potato method" Essays and Research Papers

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    Northern Kentucky University BIO 150L: Introduction to Biology I Instructor: Dr. Bethany Bowling Osmosis and Diffusion Report Estimating the Osmolarity of Plant Cells--Potato YAO ZHANG 03/26/2012 Introduction: It is undeniable that all cells have the kinetic energy. It will led the cells move randomly around to others. For this molecular movement‚ there are two results that might happen. Diffusion is one of them. Diffusion is the movement of molecules that between the

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    Osmosis and Dialysis

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    Using dialysis tubing to model diffusion of a cell membrane and investigating the influence of solute concentration on osmosis Purpose * Discover how dialysis tubing diffuses the cell membrane * Explore the effect of solute concentration on osmosis Background A cell membrane is a very significant function in the human body. In one sense‚ it is used as a barrier to keep the enzymes‚ DNA‚ and metabolic pathways that bundles everything together. Cell membranes are also used as a gateway

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    Diffusion and Osmosis

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    DIFFUSION AND OSMOSIS: WHAT’S TO EXPECT? Diffusion and osmosis are very important in biological process. Diffusion is the movement of molecules or ions from a region of their high concentration to a region of their low concentration. Osmosis is the diffusion of water molecules across a semipermeable membrane. To gain a better understanding of diffusion and osmosis‚ we examine multiple experiments to show diffusion and osmosis in animal cell‚ plant cell and synthetic cell. In our first experiment

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    Osmosis Experiment

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    Osmosis Lab Report The essential focus of the experiment was to acquire data for the mass change resulting from osmosis in order to determine the carbohydrate solution of the carrot cells. The carrots were a vegetable used within the experiment with a carbohydrate solution around .5 M. The hypothesis is if there are carrots in different carbohydrate solutions then there will be a percent change in mass. The carrots have large vacuoles that hold water‚ this allows the mass to increase when the hypertonic

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    Biology Osmosis Experiment

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    Osmosis Experiment Diana Arrowood Grand Canyon University BIO-100L Biology 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 in each of the 4 containers. In 2 of the containers‚ add 1 tablespoon (14.8 ml) of table salt and mix well until

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    Osmosis Lab Report

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    zmosis The IB Lab Report Measuring osmosis 1. Introduction My experiment is about osmosis on a potato and if or the quantity of salt affects osmosis. I would do the experiment with 5 potatoes cut into squares all the potatoes weight the same so the weight can`t be a variable the I put the potatoes on 5 different plastic cups with different amounts of salt and then I weight them again to see if the quantity of salt affected the osmosis of potatoes 1a. Research question ¿Does the quantity

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    Osmosis Experiment Plan

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    Digital Balance used to measure the mass of the potato strip before and after osmosis. Time should be kept constant when the potato strip is put into the solution Hypothesis: The mass of the potato strip will increase in water and dilute concentrations of sucrose depending on the concentration within the cell. When the concentration of the sucrose solution outside the cells of the potato strip will be less‚ the mass of the solution will increase as water molecules from outside will diffuse into

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    Diffusion of Osmosis

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    Experiment: Osmosis in Sucrose Solutions Abstract We used dialysis tubing to simulate a semi-permeable membrane. Since molecules diffuse from their higher concentration to their lower concentration‚ water will move across the membrane in response to this concentration. While conducting this lab we were able to observe passive transport through diffusion and osmosis. Introduction Osmosis is a specialized case of diffusion that involves the passive transport of water. When osmosis occurs

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    Potato Battery

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    those in the province‚ the researcher came up with the study entitled “Potato Battery”. Two new sources are fruits and vegetables. These are organic and can easily be bought at farms and markets. One of these is the use of potato but not all fruits and vegetables are usable. Potato had been considered due to it’s high content of phosphoric acid. B. Statement of the problem This study basically aims to find out whether a potato could be able to produce enough power to light up a bulb. And if it

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    Biology laboratory work: Osmosis observation Measuring the dependence of net mass gain in potato pieces on concentration of sugar solution By Jonas Kulikauskas Siauliai Didzdvaris Gymnasium Hypothesis: The more sugar in solution‚ the more potato mass will decrease. Aim: To see how potato mass will change at different concentration solution. Research question: How the mass of potato will change at different concentration solutions? Variables: Dependent: solution concentration. Independent:

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