Name: Lawrence D. Mandras Date: August 17‚ 2013 Rating:_____ Yr. & Course: BSED-IV Laboratory Experiment no. 2 The Living Plant Cell Objectives: * To study the different types of plant cells. * To observe plant cells as to their shapes‚ structures and function. Materials: Microscope cover slip glass slide water onion Iodine soln. hydrilla salt tomato razor blade Medicinal dropper epidermal tissue of rhoeo-discolor
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thee?" In the beginning was the potato. How it found its way from the South American highlands into those little sacks of McDonald’s fries is a long‚ adventurous tale‚ involving Conquistadors‚ Marie Antoinette‚ and Thomas Jefferson. Millionaires have been made and millions more have died from dependence on that simple‚ innocent potato. Here‚ then‚ is the story of the spud‚ which reached its crowning achievement only once it had been paired with oil. The potato seems to us today to be such a staple
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sodium and copper salts. In presence of simple sugars‚ the blue solution changes color to either green‚ yellow or brick-red‚ depending on the amount of sugar. Method 1) Mix smalls amount of each food sample (i.e.‚ Egg lumen‚ cylindrical piece of potato tuber‚ bread crump and crisps) in different test tubes with distilled water to make a liquid test. Take another test tube with glucose solution to act as a control so as to compare the difference in color after the completion of the experiment. 2) Label
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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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(the part we eat) grows underground and thus‚ is not exposed to sunlight. Photosynthesis requires the presence of sunlight‚ so chloroplasts are useless. Procedure 4.7 What is a plastid? Organelles where food is made and stored. Why are potato amyloplasts dark purple after staining with
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Project: Agricultural Science Name: Ciara Murphy Farm: Rathconrath Co. Westmeath Livestock: Breed of Cow: On my farm the farmer bred British Friesian Cattle. Friesian cattle are a breed of cattle known today as the world’s highest production dairy animal. Originating in Europe Friesian’s were bred it what is now called the Netherlands. The farmer chose British Friesian over any other breed as he finds they are a more dual-purpose cow. This means the cow produces good milk and also has
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From the table it was found that the calcium oxalate content in fresh tuber were 0.14% in elephant foot yam‚ in karunai kizhangu 0.25% and in taro 0.20 percent respectively. The processed (soaking the tubers in citric acid followed by blanching‚ drying & roasting) tuber flour was subjected to determine the presence of calcium oxalate. It was found that elephant foot yam flour had 0.05%‚ karunai kizhangu flour contained 0.09% and in taro flour had 0.08 percent calcium oxalate. The reduction in acridity
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Osmosis in Plants Outline: To investigate the effect of varying concentration of a certain sugar solution on the amount of osmotic activity between the solution and a potato chip of a given size. Definition - Osmosis: Movement of a solvent (liquid) through a semi-permeable membrane separating solutions of different concentrations. The solvent passes from a less concentrated solution to a more concentrated solution until the two concentrations are equal. All
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types of vegetative reproduction : * Runners / stolons * Rhizomes * Corms * Bulbs * Leaves * Suckers * Stem tubers * Stem * RUNNERS / STOLONS Runners are stems which grow horizontally over the surface of the ground. Shoots and roots of the young plant grow from the nodes of the runners. Example : strawberry plant‚ sweet potato‚ grass‚ Indian pennywort (pegaga). * RHIZOMES A rhizomes is a horizontal underground storage stem which scale leaves and buds
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positively affected due to the concentration balance in their environment. Potato cells were used to see the affects of sucrose in different concentrations. In some concentrations a weight change was seen in the potato. Introduction In the osmotic concentration lab potatoes were used to see the affects of different concentrations of sucrose on the weight of the potatoes. Solanum tubersummore commonly known as the potato is the fourth most important food crop in the world. It originates from South
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