and sweet potato peelings as chicken feed supplement on the growth of the chick. More than 50 billion chickens are reared annually as a source of food for both their meat and their eggs. Chickens farmed for meat are called broilers‚ whilst these farmed for eggs are called egg-laying hens. In total‚ UK alone consumes over 29 million eggs per day. Some hens can produce over 300 eggs a year. The majority of poultry are raised using intensive
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Potato Lab Background information: A hypertonic solution is a concentration that is higher than the solution. A Hypotonic solution is a concentration that is lower than the solution. An isotonic solution is a concentration and solution that is the same amount. Hypothesis question: What will happen if you put a potato in hypertonic solution? What will happen if you put a potato in hypotonic solution? What will happen if you put a potato in isotonic solution? Hypothesis statement: If you
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of Osmosis on a Potato Cell October 12th 2012 Osmosis Lab Purpose: The purpose of this lab is to investigate the effects of osmosis on a potato cell as it is immersed for a period of time in solutions of different water concentrations. Hypothesis: If the potato is immersed into the distilled water‚ then it will be the heaviest out of the three. This is because water is at the lower is moving toward the area of higher concentration‚ which in this case is the potato. This solution
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Osmosis in Potato Cells Interpretation My results show what I predicted would happen. My prediction was that as the concentration of sucrose increased the amount of water moving in or out of the potato would change. A low concentration of sucrose solution would make the potato increase in length and mass (become turgid). A high concentration of sucrose solution would make the potato shrink (plasmolysed) We can see this occurred‚ as at 0.1mol of sucrose solution the potato’s size increased by an
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differentially permeable membrane. Therefore‚ potato cells‚ with their differentially permeable membrane‚ are selected as the medium for studying osmosis in this experiment. In this experiment‚ strips are cut from the same potato and placed in sucrose solutions with different concentrations to see if there are any changes in term of weight. Different concentration of sucrose solution is the independent variable while the volume and length of each potato strip and the amount of sucrose solution used
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Potato Osmosis Biology SL - ATh INVESTIGATION “Potato Osmosis” INTRODUCTION Osmosis is a process that occurs at a cellular level that entails the spontaneous net movement of water through a semi-permeable membrane from a region of low solute concentration to an area of high solute concentration in 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
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placed in a hypertonic solution‚ a potato core will have positive water potential in respect to its environment‚ meaning the direction of osmosis will be from the potato to the solution. II. Materials & Methods a. Procedure: i. Obtain all necessary materials for the experiment: the assigned sucrose solution for the group (.2M‚ .4M‚ .6M or .8M)‚ an Erlenmeyer flask and corresponding cork‚ one or two skinless potato cores‚ scale to mass potato cores‚ paper towels and tables to
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ASSESSING FACTORS CONTRIBUTING TO LOW SWEET POTATO YIELD AMONG SMALLHOLDER FARMERS: IN MPINGU EXTENSION PLANNING AREA IN LILONGWE DISTRICT BY SAMUEL CHINTHALO Cell: 0888626384/0993260142 Email: Samuelchinthalo@yahoo.com A RESEARCH PROJECT PROPOSAL SUBMITTED TO THE FACULTY OF DEVELOPMENT STUDIES‚ AGRICULTURAL EXTENSION DEPARTMENT IN A PARTIAL FULFILMENT OF THE REQUIREMENTS OF BACHELOR OF SCIENCE DEGREE IN AGRICULTURAL EXTENSION UNIVERSITY OF MALAWI BUNDA COLLEGE OF
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in milliliter * Same potato was used * Initial mass of the potato slice in grams * Temperature of the solution in Co * Same amount of time where the potato stays in the solution in minutes Hypothesis “If the solution that the potato slice is placed in changes then the mass of the potato will increase or decrease. “ Qualitative and Quantitative Data * Qualitative Data * Change in the color of the potato * Change in the shape of the potato * Quantitative Data
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[Osmosis Practical Report] Abstract: | The purpose of this investigation is to see if the concentration of Sodium chloride (NaCl) solution will affect the mass of the potato cylinder hence the rate of osmosis. This can be done by placing 5‚ identical in length (3cm) but different in weight‚ tubes of potato in 5 different beakers. Each containing an altered NaCl concentration. The concentrations used in this experiment were‚ 0%‚ 2%‚ 10%‚ 15%‚ and 26%. Potatoes were weighed prior to immersion
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