Introduction: This experiment will investigate the factors that affect the rate of reaction of the enzyme catalyse‚ an enzyme found in food such as potato and liver. Catalyse is used to remove hydrogen peroxide from cells. The enzyme speeds up the rate of decomposition of hydrogen peroxide into water and oxygen. The reaction is: Catalyse is able to speed up the process because the enzyme lowers the activation energy of the reaction. This means that the free energy required for the reaction
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Drowning‚ also defined as a respiratory impairment caused by being in or under a liquid‚ restrains one’s intake of oxygen. The lack of oxygen prevented from being distributed throughout the body causes it to slowly shut down then the victim will eventually go unconscious and sometimes die. Although drowning restricts one’s breathing‚ drowning in freshwater‚ and drowning in salt water will react in the body in two completely different ways (Helmenstine‚ “Drowning in Freshwater). The simple difference
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Part A: Writer Michael Pollan discusses in his chapter “The Potato” from his book The Botany of Desire‚ the advantages and disadvantages of the development of the “Newleaf”‚ and also touches on hopes of perhaps discovering whether‚ why and how this “Newleaf” alternative may alter the relationship between people and food. Michael Pollan’s “The Potato” is well expressed adding an insight to consumers. Part B: A world filled with falsely represented genetically modified food. That very thought may
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Senior Writing Seminar 13 December 2012 The Irish Potato Famine Six long years‚ with over 1 million dead‚ and nearly a quarter of the population missing‚ the Irish Potato Famine left a massive imprint in history (Irish 1). Most people underestimate the destruction of the Potato Famine because 1 million does not look like very many in today’s population numbers. Back in the 1800’s‚ less than 8 million populated Ireland. With
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"Do different concentrations of solutions determine the mass of a potato?" Introduction: The way to get the full results of this lab was through the process of osmosis. Osmosis is the movement of water across a membrane into a more concentrated solution to reach an equilibrium. When regarding cells osmosis has three different terms that are used to describe their concentration. The first of these words is isotonic. Cells in an isotonic solution show that the water has no net movement and the amount
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Are you fond of eating potato chips? o Yes o No 4. How often do you eat potato chips? o everyday o 1-2 times a week o once every 2 weeks o once a month 5. What flavor of potato chips do you usually eat? o Salted o Cheese o Barbeque o Sour Cream o Others ___________________________ 6. Do you prefer your potato chips coated‚ dipped or just plain? o Coated o Dipped (dip is separate) o Plain 7. What type of coating or dip do you want for your potato chips? o Chocolate o Caramel
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Investigation into finding out the Effect of the effect of osmosis In potato cells Introduction I am doing an experiment to find out the effect that osmosis has on Water solution and a Sugar solution. Osmosis is a process which water moves from an area of low concentration to an area of high concentration. I am going to record my results to see if osmosis occurs in water solution of sugar solution. Apparatus In this experiment I would need; - 1) 3 test tube 2)
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the language system have meaning but these can be difficult and confusing to learn for example the word potato which doesn’t resemble a potato. The easiest way for children to learn the meaning of the word potato is to hear the word used when being offered mashed potato‚ but they will also need to learn that the word potato applies to other thing such a boiled potato‚ baked potato or roast potato etc. Speech ‚language and communication needs (slc) Children who have slc difficulties when communicating
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Martina Oganesyan Title of investigation: The effect of solute concentration on osmosis in potatoes. Research question: What is the solute concentration of a potato? Hypothesis: Osmosis is the movement of water across the membrane from an area of high concentration to an area of low concentration. The osmosis continues until the solute concentrations are equal in both areas. In this experiment‚ we put pieces of potatoes into test tubes with sugar solutions of different concentrations and leave
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The history of Popchips Popchips is a brand of potato chips that are unique and claimed to be a lot healthier (and tastier) than the ordinary leading brands of potato chips. Contrary to the usual potato chips that are out there‚ Popchips use the method of “popping” their potatoes rather than baking them or frying them – which the other brands usually do to their products. Popchips believe that by using the method of popping their chips can make Popchips’ chips healthier because it contains less
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