Potato Enzyme Lab INTRODUCTION An enzyme is a protein that speeds up or slows down a specific chemical reaction in an organism. A good rule of thumb is to remember that enzyme names end in “-ase”. This will help in identifying enzymes in further readings. Generally enzymes are catalysts. Hydrogen peroxide is a toxic chemical that is produced in many organisms during metabolism. Organisms must get rid of this toxin to survive. One reaction turns the hydrogen peroxide into water and oxygen. The
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SWEET POTATO (IPOMOEA BATATAS) AS SOIL ENHANCER Submitted by: Submitted to: Sean Rogers N. Reyes Mr. Andrew Tenorio Kyle Martin A. Villagen Karl Harvie D. Villoso Contents Idea: Sweet Potato Peelings as Soil Enhancers 3 Chapter 1- Introduction 3 Background of the Study: 3 Statement of the problem: 3 Specific: 3 Statement of the hypotheses: 3 Main: 3 Specific: 3 Significance of the Study: 4 Scope
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1. Diffusion and Osmosis‚ June 4‚ 2013 2. Purpose: The purpose of this lab is to help give visual understanding of diffusion which is a solution of high concentration spontaneously (no energy required) moving to an area of low concentration. Also taking a look at osmosis‚ which is the movement of chemicals across the cell membrane. Osmosis requires some type of energy to be put in for this to happen. After these experiments we should have a better idea and visualization of how chemicals transfer
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The effect of osmosis on artificial cells with different concentrations of sucrose Alex McRae Biology 120-902 Grand Valley State University 1 Campus Drive Allendale‚ MI 49401 mcraeal@mail.gvsu.edu Abstract In this study‚ we tested the validity of osmosis in artificial animal cells. Osmosis is the diffusion of free water across a membrane. The purpose of the study was to calculate the rate of osmosis in artificial cells containing different
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The Potato Epidemic One fine morning in the Kingdom of Sandwiches‚ SandwichKing and Sandwich‚ his pet‚ were going for a walk. Suddenly‚ green potatoes‚ “The SWAT‚” came out of nowhere and asked a million questions about mashed potatoes? Then suddenly‚ as fast as they had appeared‚ they disappeared. “Who was that?” asked SandwichKing‚ “And what do they want with mashed potatoes? Whatever.” Then SandwichKing and Sandwich continued on their walk. The next day‚ when SandwichKing looked out his window
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Potato Batteries: Veggie power! Data and Analysis Background The battery was invented around 1800 by Alessandro Volta in Italy. It has become an indispensable part of modern life. Why are batteries so useful? Because they convert chemical energy into electrical energy. You can use this electrical energy to light a flashlight‚ to start a car‚ or to listen to your favorite music. We made a simple battery out of a potato by placing in it a zinc strip and a copper strip. At the zinc strip‚ the
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this experiment the focus is the importance of diffusion‚ the random movement of molecules from an area of higher concentration to areas of lower concentration. Osmosis is a special kind of diffusion where water moves through a selectively permeable membrane (a membrane that only allows certain molecules to diffuse). Diffusion or osmosis occurs until dynamic equilibrium is reached‚ or has been reached. When equilibrium is reached‚ it means that the concentrations in both areas are equal and no new
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of this molecular movement. Diffusion is the random movement of molecules from an area of higher concentration to areas of lower concentration. Osmosis is a special kind of diffusion where water moves through a selectively permeable membrane that only allows certain molecules to diffuse though (Lab Manual 7e‚ 2010). Diffusion or osmosis occurs until dynamic equilibrium has been reached. This is the point where the concentrations in both areas are equal and no net movement will occur
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I A. The autumn of 1856 was a time of great starvation for Ireland. B. Many people were affected by the Potato Famine because the potato was their staple crop. C. The population during the famine dropped from 8.1 million to 6.8 million. D. Why was the famine so severe even though it was during the modern age? Thesis: The impact of the Irish Potato Famine would not have been as devastating if England hadn’t controlled Ireland by foreclosing thriving industries‚ passing
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Securing long hair in a ponytail. Materials: Marshmallows. Tortilla chips. Potato chips. Barbeque lighter. Thermometer. Stirring rod. Ring stand. Data: Food Weight Before Burning Food Weight After Burning Tortilla chip‚ 3.2g Tortilla Chip‚ 1.15g Marsh Mallows‚ 8.4g Marsh Mallows‚ 6.1g Potato Chips‚ 7.7g Potato Chips‚ 1.5g Water Temp. Before Burning Water used for tortilla chips‚ 25
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