Potato Osmosis Biology SL - ATh INVESTIGATION “Potato Osmosis” INTRODUCTION Osmosis is a process that occurs at a cellular level that entails the spontaneous net movement of water through a semi-permeable membrane from a region of low solute concentration to an area of high solute concentration in order to equalize the level of water in each region. Involved in this process are hypotonic‚ hypertonic and isotonic solutions. A hypotonic solution is one with a lower osmotic pressure‚ indicating
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Spiced Sweet Potato Flapjacks Ingredients: • 6 eggs‚ whisked • 2 sweet potatoes‚ roasted and peeled • 1 teaspoon cinnamon powder • 1 tablespoon raw honey • 1 teaspoon nutmeg • 2 tablespoons olive oil Directions: 1. Place the roasted sweet potatoes in a bowl and use a potato masher to mash the meat. 2. Mix in the eggs and honey. Season the batter with nutmeg and cinnamon powder then mix well. 3. Heat the oil in a pan over medium-high flame. Pour 2 tablespoons of the batter into the pan and let
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Although a blight affected the potato crops of Ireland during the 1840’s‚ the mass starvation was the result of British governmental policy‚ that forced many Irish to immigrate to America. Their immigration had many positive and negative effects on the American people and the economy. Ireland was a country of poverty and nearly half of the families in rural areas were living in mud houses with no windows or furniture. According to the Constitutional Rights Foundation‚ Ireland was not an industrialized
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EVALUATION OF NEWLY RECOMMENDED SWEET POTATO VARIETIES UNDER COCONUT BY NELSIE MODINA FERNANDEZ Abstract This study was conducted to evaluate the growth and yield performance of different sweet potato varieties grown under coconut‚ and to determine which variety of sweet potato would perform best under coconut. Among the agronomic characteristics measured‚ only herbage yield differed significantly among sweet potato varieties and was lowest in PSB-Sp 16. Based on ocular observation‚ this might
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In this study‚ three general media will be used for the detection of microorganisms on the equipment‚ personnel‚ raw materials and the finished goods. These are Potato Dextrose Agar (PDA)‚ Plate Count Agar (PCA) and Violet Red Bile Agar (VRBA) under the Univar brand. The amount of each prepared medium or dehydrated medium depends on the number of samples to be tested. PDA is usually used for the presence of yeasts
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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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Observing osmosis‚ plasmoylsis and turgor in plant cells Investigation * Get a single layer of plant cells. If you are using red onion‚ cut a 1 cm square from a fleshy piece of onion and then peel off a single layer of the red cells. If you are using rhubarb‚ peel a piece from the epidermis. If you are using toadflax peel a piece of the lower epidermis of a leaf. * Place the strip on a slide and cover it with a drop or two of distilled water. Add a cover slip. * Look at the cells through
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Practical 1- An experiment to observe the features of an Onion Cells Method: Gather all equipment that will be used for the experiment and check that they are clean and undamaged. Using forceps‚ peel the membrane from the underside of a small piece of onion. Place the membrane flat on a clean‚ glass slide and add one drop of iodine solution. Use a pin to carefully lower the cover slip over the slide‚ ensure there are no air bubbles before the use of the slide. Set the microscope to its lowest
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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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