Ben Zaré 9MK Biology Investigation - Osmosis in Potato Cells 9/7/04 Section 1 Planning Aim What is the aim of your experiment? What do you want to find out? The aim of this experiment is to investigate how potato tissue changes when placed in sucrose solution of different concentrations. Therefore‚ I want to find out if and how osmosis differs‚ when the concentration is changed. Variables What is the variable you are going to change in the experiment?
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populations. The Irish potato clones were certainly low on genetic variation‚ so when the environment changed and a potato disease swept through the country in the 1840s‚ the potatoes (and the people who depended upon them) were devastated.Thesis: The Irish Potato Famine devastated the Irish population and economy as well as sowing the seeds of rebellion against England. 1st Point: Ireland dependent on potato • Families spent most time on cash crops to pay rent • Potato easy to grow‚ nutricious
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because the high amount of salt causes more dehydration. Variables: Independent- Salt Solution Dependent- Mass of Potato Control- Tap Water Materials: •Tap Water (50 ml for each cup) •Salt •Beaker •3 cups •3 pieces of potato •Scale Procedure: Step 1: Gather Materials. Step 2: Weigh each potato separately on the scale and record weight in grams on table. Step 3: Put each potato in a separate cup and add 50 ml of water to each cup‚ measure with beaker. Step 4: To create the 40% salt solution
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Goodbye Mr. Chips In the novel Goodbye Mr. Chips‚ James Hilton shows through Katherine how one person can make a substantial change in somebody’s life present or not. Goodbye Mr. Chips is a sentimental story of a gentle aging schoolmaster and his long‚ close association with the school in which he taught. The two main characters that appear in this book are Mr. Chips the English schoolmaster and his lovely wife Katherine. Mr. Chips’ life covers the second half of the nineteenth century and the
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James Hilton’s novel Goodbye‚ Mr. Chips is the story of an English schoolmaster who dedicated his entire adult life teaching young boys. He was a somewhat shy person. Nevertheless he was a competent school teacher‚ professional and attractive in many different ways. Although his first teaching experience was not successful‚ he was determined to become a good schoolmaster. After coming to Brookfield‚ he began to warm up to his students. But more important he brought discipline to his school which
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Germans‚ימ’’ש ? What is this that’s worth his whole life? A potato. Not even a whole one‚ but half of a potato‚ smuggled out of the kitchen. He had risked his life‚ both by going there without permission‚ and by taking the potato. But it’s so very important to him‚ so he did it anyway. And now‚ here he is‚ waiting impatiently to go into his barracks. Finally‚ the endless roll call is over‚ and he sighs with
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1) How is the baby’s due date calculated and why is it often hard to calculate? The baby’s due date is calculated by doctors and midwives from the beginning of the mother’s last period. This marker is used because it is difficult to determine exactly when the mother is ovulating and as a result when the sperm is fertilized the egg. 2) Briefly explain the process of conception? Ovulation‚ Development of Corpus Luteum‚ Release of Egg‚ Menses‚ Fertilization‚ Implantation‚ Pregnancy Hormones
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general-purpose design which has its own advantages and disadvantages. ➢ Adv: One chip can run a range of programs. That ’s why you don ’t need separate computers for different jobs‚ such as crunching spreadsheets or editing digital photos ➢ Disadv: For any one application‚ much of the chip ’s circuitry isn ’t needed‚ and the presence of those "wasted" circuits slows things down. Suppose‚ instead‚ that the chip ’s circuits could be tailored specifically for the problem at hand--say‚ computer-aided
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The V-Chip What is a V-chip? This term has become a buzz word for any discussion evolving telecommunications regulation and television ratings‚ but not too many reports define the new technology in its fullest form. A basic definition of the V-chip; is a microprocessor that can decipher information sent in the vertical blanking of the NTSC signal‚ purposefully for the control of violent or controversial subject matter. Yet‚ the span of the new chip is much greater than any working definition can
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This Chip Can Tell If You’ve Been Poisoned Quick detection. This 2-cm-wide chip (inset) can quickly test for botulism‚ a deadly disease caused by theClostridium botulinum bacterium. When you are dealing with a deadly poison that can be found in food and is a potential terrorist weapon‚ you want the best detection tools you can get. Now‚ researchers in France have demonstrated an improved method to detect the most deadly variant of the botulinum neurotoxin‚ which causes botulism. Their test
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