and curious neighbours looked on. The car arrived at the station‚ the suspect was brought inside‚ formally booked‚ again warned of his Miranda rights‚ finger printed‚ and a complete identification was made. The suspect was then taken to a holding cell where he was left blindfolded to ponder his fate and wonder what he had done to get himself into this mess. Consider the police procedures which make arrestees feel confused‚ fearful‚ and dehumanized. Note that this policeman is wearing sunglasses
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Sickle cell disease is present usually in those of African or Mediterranean descent (Saladin 2007). About 1.3% of African Americans have sickle cell (Saladin‚ 2007). Sickle cell was originated in Africa where malaria was killing a vast number of people (Saladin‚ 2007). The sickle cell hemoglobin is not able to be digested by the parasites that cause malaria‚ making those with sickle cell resistant to malaria (Saladin‚ 2007). This paper will discuss a normal erythrocyte compared to an erythrocyte
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Observation of mitosis in garlic root tips Abstract The purpose of this experiment was to establish the different stages of mitosis which occur in the tip of a garlic root. The root tip which was used had already been pre-stained with an aceto-orecein stain. The stain made the root tips more visible so that under a light microscope it would be much easier to distinguish where the root tip was. While under the light microscope the objective was to be able to identify and distinguish each of the stages
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in Plant and Animal Cells OBJECTIVES Observe and identify cells undergoing the process of mitosis. Compare the stages of mitosis in plant cells with these stages in animal cells. MATERIALS • compound light microscope • prepared slides (longitudinal sections of onion or garlic root tips) • prepared slides (whitefish blastula or other animal tissue) Procedure PART 1: MITOSIS IN PLANT CELLS 1. Observe a prepared slide of a longitudinal section of onion or garlic root tips. Use low power
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water at the beginning of the experiment had a thickness of 9mm a width of 11mm and a height of 22mm and it had a total mass of 2.59grams and a total volume of around 2178 mm 3 The one in the plastic bag is going to be the constant It massed at 2.53 grams and had a height of 21mm a width of 12mm and thickness of 11mm and a total volume of 2772mm3 . We left ours in the water for 24 hours but the one in the bag did not fully diffuse. Because of the semi-permeable membrane that allows certain molecules
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the cell. When the concentration of the sucrose solution outside the cells of the potato strip will be less‚ the mass of the solution will increase as water molecules from outside will diffuse into the cell (diffusion of water molecules from area of higher concentration to area of lower concentration). When the concentration of the sucrose solution outside the potato cells will be more‚ the mass of the potato strip will decrease‚ caused by the diffusion of water molecules from within the cell to outside
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the causal relationships within the process. Determine what kind of relationship is involved and make sure that all factors have been considered. Improve : Improve or optimize the process based on the analysis‚ using techniques such as Design of Experiments. Control : Continuously monitor the process as it continues using the measuring systems developed. Set up appropriate corrective actions for anticipated deviations in the process. * Relate with the problem from the case : Define :
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Cell Specialisation All cells are designed to perform a particular job within an organism‚ that is‚ to sustain life. Cells can become specialized to perform a particular function within an organism‚ usually as part of a larger tissue consisting of many of the same cells working together for example muscle cells. The cells combine together for a common purpose. All organisms will contain specialised cells. There are hundreds of types of specialised cells. Below is listed some of the major ones
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November experiments was to observe how three different solutions with various sucrose concentration influenced osmosis in relation to three onion cells and the impact on the cells structure. A small square of a red onion skin (membrane) was observed under a microscope at high power (X40) magnification. The observation showed a large number of onion cells. The structure of one onion cell had a general rectangular shape with a developed cell wall‚ which gives the rectangular shape to the cell and
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Period:________ Cell Project Each person will complete one of the three cell projects at home: a. Cell Analogy Poster b. Travel Brochure to a Cell c. 3D Cell Analogy Model Due Date: Wednesday‚ November 26‚ 2014 One cell project (Poster‚ Brochure‚ OR Model) Use this packet as a resource guide to help lead you through your project. Remember‚ you are not doing everything in this packet‚ only ONE cell project choice at home. Parents/Guardians Please review the choices for the cell project with
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