Should we use animals for experiments? (against) The question is‚what it means to use animals for experiments? It means‚ the investigators and doctors whose are producing medicines they have to test is first‚somehow‚to see how is the effect of the medicine.This “somehow” means the animals.Moreover I haven’t said anything about testing new products like cosmetic products‚make-ups‚sprays. In my opinion‚the animals are different‚they body and organism are different.For this reason the scientists
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The purpose of this experiment was to test the tonicity of potato cells. The potato cells were placed in different test tubes with water and were left there for 15 minutes. The percent change in mass is then used to determine if the cells lost or gained water‚ therefore determining the tonicity of the cell. Although it was a brief short time‚ the final results showed that the more water the potatoes were placed in‚ the more hypotonic the potato becomes. Tonicity is stated to be the state of a solution
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DESIGN – RESEARCH TASK “The Bauhaus was one of the first colleges of design. It came into being from the merger of the Weimar Academy of Arts and the Weimar School of Arts and Crafts” (Unknown author‚ www.google web page source withheld) The word ‘Bauhaus’ literally means ‘house of construction’ in German. The Bauhaus School was founded by Walter Gropius. Its original building was in Weimar‚ Germany where it started in 1919. He is the main reason for all its influences and the great impact
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Case report---Design Thinking and Innovation at Apple Qi YU Q1. Why has Apple been so successful? What do you attribute it to? For several years‚ Apple has been ranked as the most innovative company in the world‚ but how it has achieved such success remains mysterious because of the company ’s obsession with secrecy. Now researchers and business men have found more about its success. According to the case‚ the main reasons are showed as following. Product: 1. Technology innovation Computers
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filmmaker René Clair in 1929. With this statement Clair was challenging us all to push the boundaries of sound design in films. From the primitive synchronization experiments of Lee de Forest and Thomas Edison to state-of-the-art Dolby Digital 10.2 surround sound‚ there are no boundaries for creating a virtual deluge of sound. Even though one is tempted to hypothesize about the future of sound design‚ it is only through an educated study of past inventions and their effect on the market that one is led
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Osmosis Experiment Subject: Professor Egg-avier Duration: 3 weeks (Oct 2nd – Oct 16th) Week 1 On October 2nd my group was giving a raw egg (weighing 58.8 grams) and placed it into a clear mason jar with 200mL of vinegar. The ph levels of our vinegar equaled a 2 which tells us that vinegar is a fairly acidic liquid. Once submerged in the vinegar‚ little bubbles began to appear around the egg’s shell. We believed this to be carbon dioxide escaping from the shell. We left our egg to sit in the
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crimes occurring when there is police present. These strategies were made to reduce the crimes and make the public feel more safe in the street. The Kansas City Experiment started on October 1972 and continued to 1973 ‚ it was administered by the Kansas City Police Department and evaluated by the Police Foundation. The Kansas City Experiment tested the use of preventive patrol on crime rates and citizens fear of crime. The police foundation divided Kansas into fifteen different areas‚ and those fifteen
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Observations of Chemical Changes Purpose: To observe some properties of chemical reactions and associate them with everyday household cleaning products. Procedure: In order to complete this experiment‚ I had to set up and organize my lab table. I used my 24-well plate‚ my 96-well plate‚ and the first experiment bag which included all of the necessary chemicals. I also had to gather 3 household cleaning products and a pipet in order to test them as well. The procedure involved was putting 2 drops of
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a tremendous variety of oxidation states that appear in its compounds. The oxidation numbers range from Mn (III) in compounds like Mn(NO)3CO to Mn (VII) in KMnO4. Compounds of manganese range in oxidation number between theses two extremes. This experiment involves the preparation of a Mn (III) complex of actylacetone (also named 2‚4-pentanedione) which is a useful starting material for the preparation of other Mn (III) compounds. Manganese (III) complexes are relatively stable and can be prepared
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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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