Effect of Temperature ( C ͦ) on Enzyme Catalase Activity in potato Aim: To investigate the Effect of temperature (10‚ 37‚ 60) Celsius (C ͦ) on enzyme catalase activity in potato using 2% of hydrogen peroxide (H202) as the substrate measuring the height (cm) of oxygen gas (bubbles) and calculating the volume of oxygen bubbles produced (cm3) Introduction: Enzymes are biological catalysts that speed up metabolic reactions without being affected. They lower the activation energy needed to start
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Sweet Potato Pie Eugenia Collier From up here on the fourteenth floor‚ my brother Charley looks like an insect scurrying among other insects. A deep feeling of love surges through me. Despite the distance‚ he seems to feel it‚ for he turns and scans the upper windows‚ but failing to find me‚ continues on his way. I watch him moving quickly—gingerly‚ it seems to me—down Fifth Avenue and around the corner to his shabby taxicab. In a moment he will be heading back uptown. I turn from the window
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bless you! Cassien TWAGIRIMANA ABSTRACT The Irish potato is one of major food tuber crops grown in Rwanda. It plays a key role in food consumption‚ nutritional security and reduction of hunger. Potato plant like other tuber crops requires sufficient supply of several essential elements for proper growth and function. It is a gross feeder and exploiting greater volume of soil nutrients including nitrogen‚ phosphorous‚ potassium and water. Potato production has become very important in Rwanda in
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Aim To investigate the effects of increasing salinity on potato cell mass. Background Information This experiment is based upon osmosis. Osmosis can be defined as the net movement of water molecules from a region with high concentration to a region with low concentration. This movement must take place across a partially permeable membrane such as a cell wall‚ which lets smaller molecules such as water through but does not allow bigger molecules to pass through. This process will take place until
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Investigating the Difference in Isotonic Point in Sweet and White Potato Research Aim: To observe whether equal sized white potato or sweet potato cores reached the isotonic point in the same concentration of sucrose solution. Introduction: Osmosis is diffusion of water from areas of high water potential to areas of low water potential. It does not require an input of energy. Plants use osmosis to transport minerals from their roots to their leaves‚ and to take in water in the soil. Because the
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Comparisons between The Hispanic Migration to the United States & the Irish Potato Famine The Irish Potato Famine and The Hispanic Migration are completely different things that happened at 2 different times‚ but there are some things that are similar. The push and pull factors of these 2 migrations are the environmental‚ social‚ and political reasons. These reasons are very important when it comes to leaving or going to a new country or place. The environment of Mexico is very rough and very
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vacuole of a potato cell. We will investigate how the mass of the potato chips change in different sucrose solution concentrations. We will use osmosis to do this. I will be measuring and controlling many different variables‚ these include; - The dependent Variable Weight of potato chip Independent Variable Concentration of sucrose Control Variables consist of; - 1. Temperature 2. Surface area of potato 3. Volume of sucrose solution 4. Same time for each potato chip submerged
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and plants cells. In human bodies‚ the process of osmosis is primarily found in the kidneys‚ in the glomerulus. In plants‚ osmosis is carried out everywhere within the cells of the plant (World Book‚ 1997). This can be shown 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
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Store-check Report I. Introduction Potato chips is the most popular and common snack for Filipinos‚ both children and adults. The objective of this study is to deliver to customers the different pricing trends of the producers of potato chips to its market. One of the leading brands that is fast-selling is Jack n’ Jill’s Piattos. This potato chip brand runs through the market in many countries including Thailand‚ Malaysia‚ China‚ Indonesia and Vietnam for 46 years (Source: http://www.universalrobina
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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
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