Austin Vandermey GS-1140 April 4th‚ 2015 Experiment We as a society have one big problem on our hands. This problem is sleep deprivation because there are not enough hours in the day to get stuff done. Between work‚ school‚ family‚ and leisure it seems like we do not have enough time to get are daily tasks done let alone have time for sleep. It is recommended by the U.S Department of Health that people need a solid eight hours of sleep to maintain good health. I don’t know about you
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Experiment #1: Introduction to Experimentation Submitted by: Neann Klara M. De Jesus BS Psychology II Submitted to: Dr. Geraldine E. Tria ABSTRACT SUMMARY The first experiment done by the class was called “Introduction to Experimentation”. Its main objective is to give basic knowledge about some of the logic of experimentation. The class was divided into groups of 2. In each group there was an experimenter (E) and a subject (S). The experimenter instructed
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symptoms usually occur in episodes and are often called asthma attacks. “When an asthma attack occurs‚ three major changes take place in the lungs. Cells in the air tubes make more mucus than normal. Cells in the airways get inflamed causing air tubes to swell. The muscles around the air tubes tighten. These changes cause the air tubes to narrow which makes it hard to breath.” Asthma attacks
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Observing Osmosis in Potato Cells Planning Purpose: To observe the effect of osmosis on plant cells. Hypothesis: The higher the salt content of the water‚ the lower the mass of the potato. Variables: Independent: the salt percentage of the solution Dependent: the weight of the potato in grams Controlled: the amount of water the length of time between measurements the method of measuring the type of plant cells tested Equipment: (as seen on 2A Human Biology task sheet)
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EXPERIMENT 5 REDOX TITRATION: TITRATION USING SODIUM THIOSULPHATE Objectives 1. 2. To prepare a standard solution of potassium iodate for use to determine the concentration of sodium thiosulphate solution accurately. To acquire the proper techniques of carrying out a titration. Introduction Redox titrations using sodium thiosulphate as a reducing agent is known as iodometric titration since it is used specifically to titrate iodine. The reaction involved is: I2 + 2Na2S2O3 I2 + 2S2O322NaI + Na2S4O6
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partially supported because glucose left the bag and is proven by the positive test on the surrounding water. Also the beaker turned orange because of osmosis which attests to glucose leaving the bag. Iodine Potassium Iodine and water entered the bag. This was proven by the color change in the starch test as the bag turned black also because of osmosis. The only thing that the hypothesis lacked was that starch did not move at all. The beaker stayed yellow before and after because the bag is not permeable
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The sample of Urine B could belong to someone who is on a high protein diet‚ starvation‚ fasting or has severe anemia. Results: Test Tube Color Begin Color Change Contain Protein Digestion # 1 Clear Cloudy‚ Light purple No # 2 Clear Same‚ Light purple No # 3 Clear Same‚ Light pink/purple Yes Discussion: From the above data‚ it is obvious that test tube # 3 is positive for protein digestion. Enzymes all work best at an optimum temperature that is usually body temperature at 37ºC. If the temperature
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When I was skimming pages when I saw this big painting the one that caught my eye right away. "The Tube Train" by Cyril E.Powers about 1934 (pg.203). I was so fascinated with this image‚ the urban theme and the nice colors. I notice the use of complementary colors; most of the picture is done in yellows and dark violets and reds which are all on opposite sides of the color wheel. The moment when I glanced at this painting my first question was “where are these people heading?” I believe they
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Experiment : 1 Tittle : Preparation of bis(acetylacetonato)copper(II) complex Objective : To synthesis the bis(acetylacetonato)copper(II) complex Introduction : A complex ion is usually form with high charge density metal ion as a central and formation of coordinate covalent bond (dative bond) with high electron molecules or ions. These molecules or ions are functioning as ligands (electrophile in organic compounds). They are easily attracted by electrophile (electron deficiency
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Cynthia Katasi Professor Stagnaro 09/27/2012 In Vitro fertilization: Analysis of Ruth Hubbard’s Article. “Test-Tube Babies: Solution or Problem?” Ruth Hubbard’s “Test-Tube Babies: Solution or Problem?” first appeared in Technology Review in 1980. Hubbard addressed her audience with an initial objective tone‚ revealing the built up to her credibility on the issue of in vitro fertilization. Hubbard having specialized in biochemistry of vision and women’s health enforces the sense in the reader
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