"Potato Isotonic Hypotonic Hypertonic" Essays and Research Papers

Potato Isotonic Hypotonic Hypertonic

Potato Cell Cytoplasm Composition PURPOSE: To determine the concentration of salt in the cytoplasm of potato cells HYPOTHESIS: Increase in salt concentration results in a hypotonic solution where the mass of the potato increases due to the movement of water into the cell. On the other hand, decrease in salt concentration results in a hypertonic solution where the mass of the potato decreases due to the movement of water outside the cell. MATERIALS: Potato Forceps Stopwatch Scalpel Test...

Cell biology, Concentration, Mass 773  Words | 5  Pages

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Osmosis and Potato Cube

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 potato cells were used for this type of experiment, in an Isotonic solution the solute and water concentration are the same as inside the cell in which the isotonic solution contains 0.9% NaCl. In other words, water moves in and out in the same amount without causing any changes. In a hypertonic environment, the solute concentration...

Cell biology, Chemistry, Concentration 1379  Words | 4  Pages

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Determing the Osmolarity of a Potato

of a Potato Mishal Hasan Abstract Students in Biology find it difficult to understand the concept of tonicity and osmolarity in a real time situation. In this investigation, several concentrations of sucrose were used to determine the osmolarity of a potato. It was found that the concentration of sucrose was close to 3.6 in the potato used showing that it was isotonic. Anything above caused the potato to gain weight showing that it was a hypotonic solution and anything below caused the potato to lose...

Cell biology, Concentration, Osmosis 1402  Words | 6  Pages

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How Do Hypotonic, Hypertonic, and Isotonic Solutions Affect the Water Movement of a Cell?

How Do Hypotonic, Hypertonic, and Isotonic Solutions Affect the Water Movement of a Cell? Michael Halverson Valhalla High School El Cajon, California Research Host: Kim E. Barrett, Ph.D. University of California, San Diego 1997 Grade Level: High School How Do Hypotonic, Hypertonic, and Isotonic Solutions Affect the Water Movement of a Cell? Purpose: The purpose of this activity is to teach students about osmosis and the effects of hypotonic, hypertonic, and isotonic solutions on animal...

Chicken, Concentration, Diffusion 2414  Words | 7  Pages

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Potato Osmolarity Lab

Period 2 Potato Osmolarity Lab Purpose: The purpose of the lab is to discover the osmolarity of the potato tissue. Background Information: Osmolarity is a concept similar to concentration, except it is the total number of solute particles per liter. In this lab we can show osmolarity by using sucrose solutions and potato ores. This experiment displays hypertonic, hypotonic and isotonic solutions. A hypertonic solution is a solution with a relatively higher concentration, hypotonic cis relatively...

Chemistry, Concentration, Laboratory 528  Words | 3  Pages

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Osmosis/ Potato Lab Ap Bio

the solution is hypotonic, and water will move from the solution into the cell. If the surrounding solution has a higher concentration of dissolved molecules than the cell, the solution is hypertonic. In that case, water will move from the cell out into the surrounding solution. An isotonic solution is when the concentration of dissolved molecules is the same inside and outside the cell, and there is no net movement of water across the membrane. When cells are placed in a hypertonic solution, water...

Cell biology, Cell membrane, Cell wall 1114  Words | 4  Pages

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Osmosis and Potato Tuber

osmolarity in potato tuber tissue. Osmosis is the diffusion specifically of water across a membrane. Diffusion occurs when certain substance, such as an ion, is more concentrated on one side of membrane. If the membrane allows this ion through, the ions will move from the more concentrated side to the less concentrated side until reaching equilibrium. A cell’s tonicity indicates in which direction is the net flow of water and is based on the ionic content of the cell. A cell which is isotonic has an...

Cell biology, Cell membrane, Cell wall 1095  Words | 4  Pages

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Osmosis Potato Lab Report Biology 4u

move in one direction or the other, and this is determined by the solute or solvents concentration levels. If the two solutions are of equal concentrations, they will be isotonic. If the concentrations are unequal, the solution with the higher concentration is hypertonic, and the solution with the lower concentration is hypotonic. What is the solute concentration of potatoes? We can determine this by conducting an experiment in which involves the process of osmosis. Potatoes are full of sucrose used...

Chemistry, Concentration, Molecular diffusion 2124  Words | 7  Pages

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Potato Lab

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...

Cooking utensils, Environment, Gram 663  Words | 3  Pages

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Effect of Solute Concentration on Osmosis in Potato Cells Report

by an experiment with potato and glucose/salt solution. The experiment requires putting a piece (or more) of potatoes into glucose or salt solution to see the result of osmosis (a hypertonic type of solution is mostly used as it would give the most prominent visual prove of osmosis, as was mentioned in an observation of an experiment). As the potatoes are left in the solution, water molecules from the potatoes would move out through the semipermeable membranes to the hypertonic solution surrounding...

Carbohydrate, Cell, Cell wall 1701  Words | 5  Pages

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Bio Potato Core Osmosis

DCP and CE Potato Core Osmosis #2 ...

Concentration, Membrane biology, Osmosis 754  Words | 4  Pages

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Osmosis in Potato Tubers

in Potato Tubers Andrew Dickson Background When a plant cell is bathed in a solution of the same concentration (isotonic) as its intracellular environment, its mass and volume remain the same. This is because water enters and leaves the cells at the same rate. There is no net loss or gain of water by osmosis. Samples of cells can be placed in a range of solutions of different concentration. The cells will gain water by osmosis when placed in solutions which are more dilute (hypotonic) than...

Concentration, Laboratory glassware, Osmosis 1239  Words | 4  Pages

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The Effect of Salt Concentration on Osmosis in Potato

effect of salt concentration on osmosis in potato. Introduction: 1. The purpose of doing this lab is to observe the effects of various solute concentrations on osmosis in a potato. 2. During osmosis, water moves from the side of the membrane where they are most concentrated to the side where they are less concentrated. If the concentration is equal on both sides, there will be no movement. 3. I hypothesize that the mass of the potato will decrease as the salt in the solution...

Chemistry, Concentration, Diffusion 1173  Words | 4  Pages

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Ccea as Biology Coursework: an Investigation to Find the Water Potential of Potato and Carrot Tubers in a Sucrose Solution over a 24 Hour Period

An investigation to find the water potential of potato and carrot tubers in a sucrose solution, of concentration 0.00 – 0.50Mol, over a 24 hour period Interpretation Written Communication C1 From our graph it can be seen that the concentration of sucrose solution is 0.18 M at 0% change in mass for the potato and 0.355 M at 0% change in mass for the carrot. I will use these values to find the solute potential by using the calibration graph. I will work out the water potential by using the...

Chemistry, Concentration, Energy 1394  Words | 5  Pages

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Osmosis: Concentration and Potato Tissue

very tiny and can only be seen with a microscope, so you are going to use sticks of potato tissue in solutions that have different concentrations of dissolved substances to observe the effects of osmosis on living tissue. There are three basic relative concentrations of solutions. An isotonic solution has a concentration of dissolved particles equal to that of cells or body tissues; no net water flow occurs. A hypertonic solution has a lower concentration of water (higher concentration of dissolved particles)...

Cell wall, Chemistry, Concentration 1638  Words | 7  Pages

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Determining the Water Potential of Potato Cells

EXERCISE 1C: Determining the Water Potential of Potato Cells Introduction: Water potential was defined above as an expression of the tendency of water to diffuse from one region to another. Water potential is a numerical value that must be determined for a given temperature and pressure. In this exercise you will determine the water potential of potato cells at room temperature and ambient pressure by placing cores of potato tissue in sucrose solutions of different concentrations and measuring...

Cell, Cell biology, Cell membrane 2016  Words | 7  Pages

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Study the Effects of Hypotonic, Hypertonic and Isotonic Solutions on Mustard Green

5. Study the effects of hypotonic, hypertonic and isotonic solutions on mustard green . OBJECTIVE : To study the effects of hypotonic , hypertonic and isotonic solutions on mustard green . PROBLEM STATEMENT : How does the hypotonic , hypertonic and isotonic solutions affect the mustard green ? HYPOTHESIS : An increase the concentration of solutions , as decrease the percentage of change in most of mustard green . MANIPULATED VARIABLE : The concentration of solution . RSEPONDING VARIABLE...

Chemistry, Concentration, Filter paper 285  Words | 2  Pages

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Effect of Sucrose Molarity on Potato Tuber Weight

Using Sucrose Solutions to Determine Osmolarity of Potato Tubers Based on Weight By Thomas Pelikan Biology 200A Section 004 Kimberly Schmidt October 2, 2012 Abstract: In this experiment we were trying to determine the osmolarity of potato tubers by weighing them before and after incubating them in solutions of sucrose with varying molarities. To find the osmolarity we took a potato and used a cork borer to obtain seven samples of potato tubers. We then prepared seven beakers with concentrations...

Chemistry, Concentration, Potato 2192  Words | 6  Pages

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Experiment to Shoew the Effect of Different Concentration of Glucose on Potato Strips

EXPERIMENT TO SHOW THE EFFECT OF DIFFERENT CONCENTRATION OF GLUCOSE ON POTATO STRIPS INTRODUCTION: Molecules of liquid and gas are constantly in motion, they move randomly in all directions and bounce around in all directions and bounce around and into each other. As they move, they tend to spread out moving from areas with many molecules to areas with fewer molecules . This process of spreading out is called Diffusion, for example smell of cooking travelling around the house from the kitchen...

Cell, Cell membrane, Cell wall 1248  Words | 5  Pages

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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 * Cotton * Test tubes * Spatula * Onion * Ethanol (70%) * Filter paper * Table sugar (sucrose) * Table salt (NaCl) * Potato EXPERIMENT 1 PART 1 Procedure: 1. The epidermal...

Blood cell, Cell biology, Cell membrane 933  Words | 4  Pages

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Osmotic Pressure

Osmosis is the tendency of water to flow from a hypotonic solution (low concertration of dissolved substances) to hypertonic solution ( higher concerntration of dissolved substances) across a semipermeable membrane. Osmosis occurs when different concentrations of water are separated by a differentially permeable membrane. One example of a differentially permeable membrane within a living cell is the plasma membrane. • Hypotonic : ➢ Having a lesser osmotic pressure...

Cell, Cell biology, Cell membrane 813  Words | 6  Pages

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An investiagtion to establish the isotonic point of potato cell sap

I have been asked to investigate the effects of osmosis on potato cell sap. I will test potato cylinders in different strengths of sucrose solution and record any results in a table. I will then analyse my findings and work out the isotonic point of the potato cell sap. Prediction I have looked at my scientific knowledge from the background theory I carried out and I will base my prediction upon this information. In this experiment, I expect the different concentrations to show fairly noticeable...

Carbohydrate, Concentration, Glucose 1085  Words | 5  Pages

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Potato Osmosis Lab Report

Title: Potato Osmosis Abstract: In this experiment was designed to study the effect of a concentrated solution applied to white and sweet potatoes. The solution’s impact among the potatoes were to be either hypertonic, hypotonic, or isotonic. The potatoes were first cut into fries with a fry cutter, and then weighed after being cut. The white and sweet potatoes’ weights ranged from .005-.015 grams. A total of 18 sugar solutions are to be made over the course of 3 trials. In each trial, 6 different...

Concentration, French fries, Osmosis 505  Words | 2  Pages

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Osmosis Experiment on Potato Tissue

weight of potato tissue? Osmosis Experiment Project Overview • Type a brief overview or summary of your project Research • First research point • Second research point • Third research point Variables Depending on the sucrose concentration, the tissue will change length and weight through osmosis Hypothesis Materials Materials Quantity Plant tissue – potato chips 25 of length 3cm and 0.5cm diameter Sucrose solution 75ml with 0, 35,70,175, 270 g/l Core borer to get chips from potato tissue...

Concentration, Height, Potato 1679  Words | 24  Pages

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Bio 1208 WA2

Relative Osmotic Concentration in Potato Tubers Abstract: This lab was conducted to determine the molarity of the sucrose concentration where the mass of the potato tuber does not change, indicating that the sucrose is isotonic to the potato. By calculating the change in mass of the potato we are able to determine whether the sucrose solution was isotonic, hypotonic, or hypertonic compared to the potato. According to our data, the sucrose solution was isotonic to the potato at .3M. Anything lower than...

Chemistry, Concentration, Osmosis 995  Words | 8  Pages

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Osmosis: Concentration and Water

particles outside compared to inside (a hypertonic environment), water will begin to flow from an area of high concentration inside the cell to an area of low concentration outside the cell. The cell will lose water (and mass), start to shrivel up and eventually die. This process is called plamolysis. It is the result of osmosis. On the other hand, if the cell is in an environment where there are more dissolved particles inside the cell than outside (a hypotonic environment), water will diffuse into...

Bacteria, Cell biology, Cell wall 1342  Words | 5  Pages

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Osmosis lab/ concentrations of solutions effect on potatoes mass.

different concentrations of solutions determine the mass of a potato?" Introduction: The way to get the full results of this lab was through the process of osmosis. Osmosis is the movement of water across a membrane into a more concentrated solution to reach an equilibrium. When regarding cells osmosis has three different terms that are used to describe their concentration. The first of these words is isotonic. Cells in an isotonic solution show that the water has no net movement and the amount...

Cell, Cell biology, Cell wall 1415  Words | 5  Pages

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Osmosis: Potato Tuber Lab

Lab Topic: Movement of Materials Across the Cell Membrane—Potato Tuber Cells Introduction: Osmosis is a form of diffusion in which water diffuses through a selectively permeable membrane from a region of high concentration to a region of lower concentration. This form of diffusion takes place when the molecules in high concentration are too large to move through the membrane. Three factors that determine cell membrane permeability are shape, size, and polarity. For this experiment, it must...

Chemistry, Concentration, Diffusion 565  Words | 2  Pages

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tonicity on cell membrane lab report

membrane using red blood cells, potato strips and three unknown solutions (A, B, C). First three slides were prepared containing RBC’s and unknown solutions A, B and C. A control slide was prepared only using RBC’s. After observing each slide under the microscope it was determined that unknown solution A was hypertonic because the RBC appeared to have shrunk. The RBC in unknown solution B appeared to be swollen, therefor, the tonicity of unknown solution B was hypotonic. Unknown solution C showed...

Cell, Cell biology, Cell membrane 2157  Words | 8  Pages

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Determining the Isotonic solution in Sheep Erythrocytes Isotonic solution of red blood cells (Laboratory) red blood cell sizes in saline red blood cell expansion in salt

different situations: hypertonic solution, isotonic solution, and a hypotonic solution. A hypertonic solution is when there is a higher concentration of salts dissolved outside the cell and pure water inside the cell, the water rushes out of the cell to try to dilute the salt solution causing the cell to shrivel up. An isotonic solution is where the water has achieved equilibrium with concentrations inside and outside of the cell, so there is no alteration of the cell. A hypotonic solution is where there...

Blood, Cell membrane, Cell nucleus 921  Words | 5  Pages

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Osmosis Lab

their hypotonic and hypertonic solutions overnight followed by observing any changes in weight and appearance the next day. In Part B, we observed an onion cell exposed to distilled water under a microscope, and another onion cell exposed to a saturated salt solution, and drew the two different cells comparing the differences between their exposure to the hypotonic(water) and hypertonic(salt water, corn syrup) solutions. Part A Purpose To observe the effects of hypotonic and hypertonic solutions...

Cell, Cell biology, Cell membrane 1292  Words | 5  Pages

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Lab Report Tansport Across Membrane

Pre-Med May Intake 2013 Group : E Date : 19.06.2013 Lecturer’s Name : Miss Nurul Izziani Objectives : I. To study the effects of hypotonic, hypertonic, and isotonic solutions on plant and animal cells. Experiment 1 : Introduction : The purpose of doing this experiment is to investigate the effects of hypotonic, hypertonic, and isotonic solutions on plant cell. Particularly in this experiment we use onion cells. Tissue from an onion is a good first exercise in using the microscope...

Cell, Cell biology, Cell membrane 1686  Words | 7  Pages

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Diffusion Osmosis Lab Report

transport, this means that they do not require energy or pumps. There are different environments created due to diffusion. There are hypotonic, hypertonic, and isotonic environments. Hypotonic is when the solution has a lower solute concentration compared to the water potential. The hypertonic solution has a higher solute concentration and lower water potential. In an isotonic solution, there is no net movement and there is an equal concentration of solutes and water. In our lab, we modeled diffusion and...

Cell, Cell membrane, Cell wall 1308  Words | 3  Pages

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Water Potential of Potato

Title: Osmosis and water potential Aim of the experiment: Finding the water potential of potato. Biological principles: Independent variable: concentration of the solution. Dependent variable: percentage changed in weight of the potato strips. Controlled variable: size of the potato strips, it can be controlled by cutting the length of the strips. Procedure: Table 1. Concentration of sucrose solution table Concentration/ M | Sucrose Solution/ ml | Distilled...

Chemistry, Concentration, Evaporation 554  Words | 2  Pages

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Solute Concentration of Potatoes

the more the potato’s mass decreases. This is due to the solution being hypotonic. So, as the solute concentration gets higher, the potato’s water concentration will get lower, therefore more water particles will move out of the potato and diffuse into the lower concentrated surrounding. As the Concentration of the Sucrose Solution decreases, the more the potato’s mass increases. This is due to the solution being hypertonic. So, as the solute concentration gets lower, the potato’s water concentration...

Cell biology, Cell wall, Chemistry 898  Words | 3  Pages

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Osmosis: Potato and Blackcurrant Squash

types of condition that involves osmosis which is hypotonic, hypertonic and isotonic. In a hypotonic solution, the water will move into the cell due to the outside of the cell having a lower solute concentration than the inside of the cell. When an animal cell is placed in a hypotonic surrounding (lower solute concentration), the water molecules will move into the cell causing the cell to burst and haemolysed. When plant cell is placed in a hypotonic solution, water molecules diffuse into the cell...

Cell, Cell wall, Concentration 2342  Words | 14  Pages

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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

outside of the cell is lower than the inside of the cell, this is called a hypotonic solution. In hypotonic solutions, when water moves into the cell they burst, which is known as lysis. A hypertonic solution is when the concentration of outside the cell is higher than the inside of the cell. In hypertonic solutions, water moves out of the cell, making the cell lose water and shrink; this is called crenation. An isotonic solution is when the concentration of dissolved molecules is the same both inside...

Cell biology, Chemistry, Concentration 1027  Words | 3  Pages

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2.03 Cell Membranes and Homeostasis

membrane in certain situations. Introduction: I know prior to doing this experiment that iodine mixed with starch creates a dark color and that most objects, organic and inorganic, naturally experience isotonic reactions. Hypothesis: I think that the potato will absorb more starch than the sweet potato and they will both absorb relatively similar amounts of water. Procedure: Variables: Controlled- water and size of potatoes. Manipulated variables- potatoes growth based on contents of solution. Data: ...

Carbohydrate, Glucose, Hypothesis 893  Words | 3  Pages

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Pre-Feasibility Study Potato Flakes & Flour 1 TABLE OF CONTENTS Page 1. 2. 3. 4. 5. 6. 7 8. 9. 10. 11. Objective Products Process Global Export Markets Global Import Markets Local Market Target Markets Raw Material Plant & Equipments Conclusion Role of PAMCO 3 3 3 4 5 6 7 8 9 10 10 2 OBJECTIVE: • To provide marketable and value added dehydrated potato products from raw potatoes for the use of food processing industry in Pakistan and abroad as well as end products for the consumer...

Food industry, Food processing, Potato 1552  Words | 7  Pages

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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...

Agriculture, Andes, Potato 1425  Words | 4  Pages

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OSMOSIS IN POTATO Osmosis describes a physical process in which any solvent moves, without input of energy. The word 'osmosis' is particular to the diffusion of water molecules into the cell. These are the ways to see the effects of osmosis on a plant by comparing potatoes placed in different types of water. These are the materials needed to view osmosis in action: Potato (sliced into 3) 3 Glasses Water Salt Methods: 1. Fill Glass A with pure water while Glass B, mix salt and...

Buoyancy, Cell wall, Chemistry 736  Words | 3  Pages

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Osmotic Pressure Report

be classified into three tonicities, which are Hypotonic, Isotonic and Hypertonic. Hypotonic is a situation when the concentration of water in cells are more than water outside the cell, causing water to flow into the cell until it ruptures and plasmolyse in animal cell and plant cell respectively. Isotonic is a situation where the concentration of water of cells is equal to the concentration of the water in the surrounding environment. Hypertonic is a process where there will be a net outflow of...

Cell, Cell biology, Cell membrane 1163  Words | 5  Pages

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Biology Investigation: Effect of Different Concentrations of Sucrose Solutions on Potatoes

order to equalize the level of water in each region. Involved in this process are hypotonic, hypertonic and isotonic solutions. A hypotonic solution is one with a lower osmotic pressure, indicating that the net movement of water moves into the said solution whereas a hypertonic solution is one with a higher osmotic pressure, thus the net movement of water will be leaving the hypertonic solution. Lastly, an isotonic solution entails no net movement of water across a semi-permeable membrane as...

Concentration, Mass, Osmosis 671  Words | 5  Pages

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Potatoe Lab

Name:_______________________ Date:___________ Period:______ Page:_______ Potato Diffusion Lab Hypothesis:________________________________________________________________________ __________________________________________________________________________________ Materials Aprons/Goggles Potato Slice (2-3cm thick) Potato Borer Triple beam balance 6 x 100mL beakers plastic wrap Paper towel 50mL Distilled Water 50mL 0.2M Sucrose solution 50mL 0.4M Sucrose solution 50mL 0.6M Sucrose...

Distillation, Distilled water, Freshwater 398  Words | 3  Pages

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Abstract The experiment was carried out to investigate at which point the potato has reached its isotonic environment. From the results, when the concentration increase to 0.3M, the mass of the potato slices decreased by -3.26%. We can conclude we see that as we increased the sucrose concentration it was a decrease in the percent change. Introduction All cells have membranes that are selectively permeable. In other words, they allow certain things in and certain substances are not allowed...

Chemistry, Concentration, Osmosis 956  Words | 4  Pages

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Investigating the Water Potential of Potato Cells

Investigating the Water Potential Of Potato Cells Aims 1. To test how water potential, in a solution, affects the movement of water in and out of a cell by osmosis Prediction I predict that by increasing the water potential around the outside of the potato cell, (i.e. so that the water potential is greater outside the cell compared to the inside of the cell e.g. 0m sucrose) that the net movement of water into the cell will increase. This is due to the water potential being greater outside the cell...

Chemistry, Concentration, Diffusion 1635  Words | 4  Pages

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Diffusion on a Liquid in a Liquid

was put in light on one try and then a more forceful drop the following. I do hypothesis a different outcome in the experiment if the water was moving around opposed to sitting still. Part B: The Effect of Salt Concentration on Osmosis in Potato Cells. Introduction: 1. The purpose of doing this lab was to recognize the effects that salt, in different strengths, has on cells. 2. Osmosis is the movement of water molecules across a semi permeable membrane. What occurs...

Chemistry, Diffusion, Hypothesis 1452  Words | 5  Pages

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Osmosis and Diffusion Lab

Mass (g) | Change in Mass (g) | % Change in Mass | Water | | | | | 0.2 M | | | | | 0.4 M | | | | | 0.6 M | | | | | 0.8 M | | | | | 1.0 M | | | | | Table 3 Potato Cell Water Potential- Gain and loss of water in different environments. | Solution Temperature | Potato Cylinder | Solution | Initial Temp | Final Temp | Initial Mass (g) | Final Mass (g) | Change in Mass (g) | % Change in Mass | Water | | | | | | | 0.2 M | | | | | | | 0.4...

Cell biology, Dialysis tubing, Diffusion 600  Words | 3  Pages

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Osmosis and Potato Chips

concentration to an area of low concentration across a semi permeable membrane. An osmotic system is established when a semi-permeable membrane is placed between two solutions. In this biological systems context, osmosis is the exchange of water between the potato cell and the surrounding medium of varying sucrose concentrated solutions, with the plasma membrane being the semi- permeable membrane. Because water molecules have kinetic energy, they are constantly moving around in gaseous or liquid form, moving...

Cell, Cell membrane, Cell wall 785  Words | 2  Pages

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Diffusion and Osmosis

Demaline Bio 1113, Lab 3: Diffusion and Osmosis Osmolarity of Plant Cells In this class, we learned about hypertonic, hypotonic, and isotonic solutions. Hypertonic solutions have a higher concentration of solutes outside of the membrane, hypotonic solutions have a lower concentration of solutes outside the membrane, and isotonic solutions have an equal amount of solutes inside and outside of the membrane (Morgan & Carter, 66). When the solute concentration is not equal...

Chemistry, Concentration, Diffusion 1606  Words | 5  Pages

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Cell Wall and Water

Jessica Schunzel Biology 107 September 27, 2010 Abstract: When a plant is placed in a hypertonic solution, the environment is more concentrated then that of the cell’s internal environment, the cell will lose water, shrinking and becoming flaccid a process called plasmolysis. When a plant is placed in a hypotonic solution, the cell’s internal environment is more concentrated then that of the surrounding solution, water will rush inward and the cell will swell and expand, keeping the...

Cell, Cell biology, Cell wall 1921  Words | 6  Pages

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Osmosis Question

of distilled water, 0.4% NaCl, and 0.9% NaCl would all appear to be inflated and could burst. This is due to the fact that the solution is hypotonic to the potato, thus water is entering the cell. Meanwhile, the cells in the solutions 5% NaCl and 10% NaCl would have shriveled cells. This is because the solution is hypertonic and water is leaving the potato out into the solution. Record the Lysis Time: Solution Lysis Time (min) DI 1:36 Soapy Water 0:48 0.2% NaCl 4:30 0.4% NaCl NL 0.6% NaCl NL...

Cell biology, Cell membrane, Cell wall 518  Words | 2  Pages

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Diffusion and Osmosis Lab

Diffusion and Osmosis Introduction: Purpose: 1. To simulate and observe the diffusion of solutes and the osmosis of water through a semipermeable membrane through color change and sugar tests. 2. To speculate osmosis occurring in dialysis bags and potato cores by comparing percentage change in masses. Background information: Molecules are always in random, constant movement due to their kinetic energy. This causes the molecules of a cell to move around and bump into each other.   The random movement...

Cell, Cell membrane, Cell wall 1363  Words | 5  Pages

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sugar solution on potato cells

How sugar solution might affect potato cells Introduction: In this experiment, I am going to investigate the effect of changing the concentration of sucrose solution on the rate of osmosis in potato cells. I am going to find the rate of osmosis out by measuring the weight of the potato after each time the concentration of sucrose solution change. I am going to make 2 sets of data, A and B Hypothesis: I hypothesize that when the concentration of the sucrose solution is higher, the amount of water...

Concentration, Osmosis, Plasmolysis 2086  Words | 11  Pages

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Practical 7 Osmosis

concentration of solute between the cells and their environment (Kent 2000). Generally, there are three different conditions, when the solution is isotonic, hypertonic or hypotonic to the cell. In isotonic solution, when water potential inside and outside the cell is equal, both animal and plant cell behave in the same way: there is no net movement of water. In hypertonic solution, when water potential of the cell is higher than that of the solution, the water molecules will tend to move out of the cell. Hence...

Cell, Cell biology, Cell membrane 1190  Words | 5  Pages

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Biology 12

free-moving water molecules is higher in potato cells, the cytoplasm of the cell is hypertonic. The water molecule will flow from higher concentration to lower concentration, so that they get out of potato cells through osmosis. The plasma membrane of plant cell will collapse as the water inside the cell become less and less, that cause plasmolysis and the cell become flaccid. 2. A salt water fish may die if placed in fresh water. Why? In order to keep an isotonic condition, the salt water fish’s cells...

Blood, Blood cell, Cell membrane 932  Words | 3  Pages

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Lab Paq Biology Lab 7

Solute/Solvent Appearance of Potato Strip Type of Tonicity Gradient: Is the potato strip in a Hypertonic, Hypotonic, or Isotonic at the beginning of this exercise? 1 Distilled Water Bigger Hypotonic 2 10% NaClWithered Hypertonic Data Table 2: Comparison of Turgor Pressure States in Elodea Leaf Cells Solute/Solvent Scientific Term for Condition: Is the leaf in a Hypertonic, Hypotonic, or Isotonic at the beginning of this exercise? Appearance of Cells at End of Procedure Water Hypotonic Looks Normal 10%...

Acid, Buffer solution, Cell biology 1144  Words | 3  Pages

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Biolab 1208 Lab Report

contain the ideas or writing of other individuals/authors. _Alexandra DeWitt_____________ __5/1/13____________ Author Date _10_________ Lab Section # Increasing Sucrose Concentrations Causes the Osmotic Concentrations of Disks of Potato Tubers to Decrease Abstract: Introduction: The biological membranes are composed of phospholipid bilayers, each phospholipid with hydrophilic heads and hydrophobic tails, and proteins. This arrangement of the proteins and lipids produces a selectively...

Chemistry, Concentration, Lipid bilayer 840  Words | 3  Pages

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Diffusion and Osmosis Lab Report

move through a membrane out of the cell in order to make the water concentrations equal. This causes the cell to shrink (hypertonic). If the concentration of certain molecules is higher inside of the cell, then the water will move into the cell causing it to swell (hypotonic). When the molecule concentrations are equal on both sides of the membrane, water does not move (isotonic). In the human body, many salts and enzymes help to regulate a cell’s state and the processes necessary for the human...

Cell, Cell membrane, Cell wall 1152  Words | 5  Pages

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Osmosis Lab

exact concentration of the cell which is the solvent the solution is known to be an isotonic solution. When the concentration of the solute is greater than the concentration of the solvent the solution is known to be a hypertonic solution. Finally, when the concentration of the solute is lower than the concentration of the solvent the solution is known to be a hypotonic solution. Therefore, hypertonic and hypotonic solutions aren’t at equilibrium. Variables * Independent * The change in...

Chemistry, Concentration, Liquid 1553  Words | 5  Pages

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