of Osmosis” The purpose of the lab was to discover‚ through osmosis‚ the concentration of sugar water in a potato. First‚ potatoes were cut into strips about 3 centimetres in length and six strips were individually massed. Next‚ the six strips were placed in 6 different Dixie cups‚ labelled A‚ B‚ Q‚ X‚ Y‚ and Z. Each of the Dixie cups were then filled just enough to cover the potato strips‚ with substances that matched the letters of the cups. About 24 hours later‚ the potatoes were taken out
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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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this lab was to find the water potential of a potato cell. The problem of this lab was‚ if there was a high molarity of solute‚ would it have a positive or negative water potential? The hypothesis of the experiment was‚ if there is a high molarity of solute then the water potential would be lower or negative. After obtaining potatoes‚ we cut them into pieces‚ weighed them‚ and then placed them in a solution overnight. In this lab‚ we explored the potato cell’s water potentiality. From the results‚
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B. Potato I FACTS Mr. B. Potato‚ a wealthy real estate investor‚ recently purchased a house on a parcel of land for $400‚000. The house was appraised at a value of $300‚000 and the land had an appraised value of $100‚000. Mr. Potato plans to tear down the house and replace it with a new house worth $1‚500‚000 with the intentions of living in it personally. Paying to have the house bulldozed would cost Mr. Potato a considerable amount of money. It has been suggested to Mr. Potato to permit
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Research in Biotechnology‚ 3(6): 51-58‚ 2012 ISSN: 2229-791X www.researchinbiotechnology.com Regular Article Isolation and identification of a new Bacillus strain for amylase production Yasser Bakri*1‚ Hassan Ammouneh1‚ Samir El-Khouri1‚ Muhanad Harba1 and Philippe Thonart2 1Department of Molecular Biology and Biotechnology‚ AECS‚ Damascus‚ Syria‚ P.O.Box 6091 Wallon de Biologie Industrielle‚ Unité de Bio-industrie‚ Faculté de AgroBiotechnologie de Gembloux‚ Université de Liège
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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
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Molecular Botany; University of Bonn; Bonn‚ Germany; 3Centro Nacional de Biotecnología; Consejo Superior de Investigaciones Científicas; Campus Universidad Autónoma de Madrid; Madrid‚ Spain Key words: BAHD feruloyl acyltransferases‚ ferulate‚ periderm‚ potato tuber skin‚ suberin‚ suberized tissues‚ wax Abbreviations: TEM‚ transmission electron microscope; SEM‚ scanning electron microscope; FHT‚ ω-hydroxyacid/fatty alcohol hydroxycinnamoyl transferase; GPAT5‚ glycerol phosphate acyltransferase 5 and to
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so he purchased the recipe and began selling Fritos Corn Chip. Meanwhile‚ that same year‚ Herman W. Lay began his potato chip business in Nashville by delivering snack foods. He then purchased the manufacturer‚ and the H.W. Lay & Company was formed. It soon became one of the largest snack food companies in the Southeast‚ and LAY’S brand Potato Chips is still America’s favorite potato chip. In 1961‚ the Frito Company and the H.W. Lay company merged to become Frito-Lay‚ Inc. Today‚ Frito-Lay brands
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leaves the cell and the solution enters. There is a change of mass‚ volume‚ texture and length. Aim: The aim is to investigate the effects of varying concentrations of a salt solution on the amount of osmotic activity between the solution and a potato of a given size. Osmosis: Process of Osmosis Osmosis is the process of the flow of one constituent of a solution (in this case salt) through a membrane while the other constituents are blocked and unable to pass through the membrane. Experimentation
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Osmosis in Plants Outline: To investigate the effect of varying concentration of a certain sugar solution on the amount of osmotic activity between the solution and a potato chip of a given size. Definition - Osmosis: Movement of a solvent (liquid) through a semi-permeable membrane separating solutions of different concentrations. The solvent passes from a less concentrated solution to a more concentrated solution until the two concentrations are equal. All
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