tested the reaction rate of a peroxidase enzyme and the factors that affected it‚ both positively and negatively. The purpose of these experiments was to probe and manipulate the activity of the enzyme peroxidase by varying temperature‚ pH‚ the amount of enzyme compared to the substrate and the effect of hydroxylamine. Peroxidase activity is expressed when the potato extract is subjected to stresses such as low temperature (El-hilali et al.‚ 2012). The most eye catching factors that we tested for
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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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Monopoly for the Potato Chip Industry A monopoly is a company that provides a product or service for which there are no close replacements and in which significant barriers of entry can either prevent or hinder a new company from providing competition (Case‚ et al.‚ 2009). Take into consideration the potato chip industry in the Northwest are not only competitively structured but are in long-run equilibriums. The firms were earning a normal rate of returns and were competing in a monopolistically
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of Salt Concentration on Osmosis in Potato Cells We should first explain what Osmosis is. It’s a passage of water from a region of high water concentration through membrane to a region of low water. Semi membrane is a very thin layer of material‚ which allows some things to pass through them but prevent other things from passing through. The cells allow small molecules like Oxygen‚ water‚ Carbon Dioxide‚ Ammonia. But will not allow larger molecules like Sucrose‚ Starch‚ or protein‚ etc. High concentration
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Potato Chips Jacquelyn opens the yellow bag‚ feeling the smell of the chips engulf her. Then the memories come‚ forcing themselves to the front of her mind. Jackie returns from the kitchen with a bright yellow bag‚ brighter than the morning sun. She grabs the top between her fingers‚ the crackle of the bag alerts Jimmy of what she has. Jackie pulls apart the bag‚ feeling the rush of air towards her face. The smell of cholesterol engulfs her. She reaches in and pulls out one of the golden crisps
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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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How Greasy Are Your Potato Chips? Dr. Camille Passalacqua January 31‚ 2014 Potato Chips 1 Introduction When people eat a bag of potato chips they do not usually look to see how many calories are in each bag. Potato chips come in a variety of flavors‚ including: barbecue‚ sour cream and onion‚ and salt and vinegar. According to Harvard University analysis the average person eats about 6 lbs of potato chips a year. The purpose of this experiment was to inform readers
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Osmosis in potato cells Aim: To view and examine the effect different concentrations of sucrose solution has on the movement of water across the cell membrane. Hypothesis: That the potatoes will either increase or decrease in mass‚ due to the effect of the different concentrations. Osmosis will occur. Apparatus: * Fresh potatoes * Apple corer * Scalpel * Petri dishes X 10 * 50ml measuring cylinder * Distilled water * Paper towelling * Sucrose solutions:
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Potato Juice Excellent Tonic: Skin Disorder: Angular cheilitis – One of the most important purposes of potato juice is for treating angular cheilitis‚ a common skin disorder characterized by redness and swelling of the mouth corners. Potato juice is known to be an effective anti-inflammatory so applying this on the corners of your mouth can tone down the lesions in no time. If you make it a habit to drink potato juice every day‚ you’ll get enough vitamin B complex‚ which you need to fight angular
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Seamus Heaney – ‘At a Potato Digging’ • Context • • The poem deals with two different potato harvests. One is the harvest from the present day that goes successfully and which delivers a rich crop. The second potato harvest looks back to the famine of 1845 when the crop failed and many people starved. Whilst the famine is no longer a threat‚ its ongoing fear remains and this can be seen in the use of religious language throughout the poem. For example‚ the bowed heads of the potato pickers suggest the
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