AIM: Finding the gravitational field strength by using a simple harmonic motion of a spring and slotted masses. INTRODUCTION: When a mass suspended from a spring is displaced‚ due to the acceleration‚ kg s-2‚ from its equilibrium and released it will oscillate up and down with a kind of motion called simple harmonic motion‚ shm. The period (T)‚ time taken to measure for one complete oscillation‚ of this motion is: m/kg =
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These hydrogen ions are harnessed through ATP synthase and with ADP and P1 make ATP. (Sanders‚ Electron transport chain‚ 2013) References Hudon-Miller‚ S. (2012) Citric acid cycle. Retrieved from http://youtu.be/Wt5nYED2GJs Hudon-Miller‚ S. (2013) Citric acid cycle: Central to aerobic metabolism. Retrieved from http://youtu.be/dKFjuV72KYM Hudon-Miller‚ S. (2013). Enzymes. Retrieved from http://wgu.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=c99ccc40-4cf5-4e53-b8b1-ccbb100a65c2
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Stoichiometry lab 1 Purpose: The purpose of this lab is to find the limiting reactant‚ also to find the percentage yield and percentage purity of the reaction that happens between Calcium Chloride and Sodium Carbonate. The other purpose was to know how the reaction can be balanced and created. Hypothesis: In this lab we are going to see a precipitation reaction. This is a reaction where two soluble salts Sodium Carbonate and Calcium Chloride are added together and the result is the precipitation
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Introductory Biology 1 Biology 1003 Fall Term 2011 Lab Number: 3 Title: Cell Energetics: Enzyme Role in Biological Reactions Name: Brandon Moore Student Number: 100819124 Lab day and time: Wednesday pm Date: Wednesday November 23‚ 2011 Introduction Enzymes are a key aspect in our everyday life and are a key to sustaining life. They are biological catalysts that help speed up the rate of reactions. They do this by lowering the activation energy of chemical reactions (Biology
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the stomach‚ the pancreas and the small intestine. It works on proteins and the products of its digestion are amino acids. The next main enzyme is carbohydrase‚ which is in saliva‚ the pancreas and the small intestine. The product of digestion is glucose. The last enzyme is lipase. It is found in the pancreas and the small intestine‚ it works on fats and produces fatty acids and glycerol. Lipase works best at a pH of
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Discussion The second experiment of the semester focuses on separating and identifying the components of Panacetin‚ which is a common medication that relieves pain. The label reveals that Panacetin is composed of sucrose (10%)‚ aspirin (40%)‚ and Tylenol (50%). Although this information is reported‚ the true composition of Panacetin is questionable. While sucrose and aspirin are present in Panacetin‚ Tylenol may be replaced by an unknown component (acetanilide or phenacetin). Separation of the components
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happens between an analyte and a titrant. A redox titration is done just as a normal titration is done‚ however instead of titrating an acid against a base‚ an oxidizing agent is titrated against a reducing agent and the equivalence point is reached when the reducing agent is completely oxidized by the oxidizing agent. (Chang‚ 2011). An indicator is used just as in an acid-base titration‚ although in this experiment because of its self-indicating property KMnO4 the titrant‚ it is also used as indicate
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Meiossis and Genetic Diversity in Sordaria Meiosis and Genetic Diversity in the Model Organism‚ Sordaria. By: Katie Fiorillo BIO110 Lab TA: Lauren Smith October 30‚ 2012 A. INTRODUCTION: In this lab‚ the organism Sordaria fimicola was used to explore factors contributing to genetic evolution of sexual reproduction. These organisms are found in “Evolution Canyons‚” which occur when two mountain slopes with very different climatic conditions congregate with a comparatively small valley
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A Brief Introduction to Sulfasalazine Sulfasalazine is a sulfa drug derived from mesalazine (5-aminosalicylic acid known as 5-ASA). Often prescribed as an effective medication against inflammation-related symptoms‚ it has multifaceted effects towards several diseases including intestinal diseases as well as rheumatoid arthritis.1 Sulfasalazine has been widely used for decades since its approval by FDA.2 Apart from the common uses‚ researchers also recently discovered that sulfasalazine could potentially
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effective ranging from 16.3 to 87% while as in A. niger it was comparatively less the aqueous extract of Cleome amblyocarpa was effective ranging from 19.2 to 90.3% in A. niger while as it was 19.3 to 84.6% in P. notatum. This study for the first time reports inhibition of citrinin from medicinal plant extracts at these ranges. The present investigation showed that all the medicinal plant extracts were effective in decreasing the fungal biomass and citrinin production. Hence these plant extracts can be
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