Effects of Temperature‚ pH‚ Enzyme Concentration‚ and Substrate Concentration on Enzymatic Activity INTRODUCTION Enzymes‚ proteins that act as catalysts‚ are the most important type of protein[1]. Catalysts speed up chemical reactions and can go without being used up or changed [3] Without enzymes‚ the biochemical reactions that take place will react too slowly to keep up with the metabolic needs and the life functions of organisms. Catecholase is a reaction between oxygen and catechol
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Abstract α-amylase was immobilized covalently on iron oxide magnetic nanoparticles. The synthesis of magnetic nanoparticles was done by the coprecipitation conventional method. The chemical composition and particle size of the synthesized particles was confirmed via X-ray diffraction. Tyrosine‚ Lucien and chitosan and glutaraldehyde were investigated to make a covalent binding between the iron oxide magnetic core and the immobilized enzyme. Immobilization using chitosan and glutaraldehyde show
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medicine. For as long as I remember‚ I only had one dream in mind‚ which was to become a doctor when I grow up. As I grew older‚ my dream did not change; in fact‚ it only grew more significant. However‚ the only aspect of my dream that did change was the type of field that I wanted to pursue. At first‚ I honestly did not have an inkling of an idea as to what kind of a type of doctor I wished to become. Then‚ I started to lean towards pediatrics and/or neurology. Now‚ on the other hand‚ I decided
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enzyme‚ ’-amylase in starch-iodine solution. We will be testing the relationship between enzymatic reaction affected by temperature and pH. Through the testing the enzyme at different temperatures‚ and different pH levels; it would determine at which temperature and pH level the enzyme worked the most efficiently. Analyzing absorbance of the solutions with spectrophotometery will determine the reaction rate. To test the optimal pH‚ the starch and a buffer were combined at a specific pH level and
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Baronius “the Bible tells you how to go to heaven‚ not how the heavens go” [Professor Dauben Week IV AWA]. Jacob Bronowski concurs with Galileo saying‚: “The news was sensational…And yet is was not altogether welcome‚ because what Galileo saw in the sky‚ and revealed to everyone who was willing to look‚ was that the Ptolemaic heaven simply would not work. Copernicus’s powerful guess had been right‚ and now stood open and revealed. And like many more recent scientific results‚ that did not at all please the
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personality and create a strong and wise men ---- a normal student like me may find it hard to do some extra-curricular tasks and be involved to other organizations actively participating in school-related activities and all; I do not consider joining and participating to some ORG or clubs important. What I value the most is to complete all my enrolled units‚ attend all my subjects and be a normal student‚ I suppose‚ most of students here in Bicol University also thinks the same. One rainy morning last
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Question 1 Critique Dr. Honeydew’s report. Specifically‚ discuss what is missing and how the missing information should have been presented. First the PH measurements‚ Dr. honey dew does not explain how the PH device was calibrated or if the blood sample was added or mixed with anything prior to the measuring of the pH (like water‚ etc.). In regards to the absorption spectroscopy‚ the method by which the concentration was obtained is questionable. Was the concentration known before the experiment
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Harry Hands was not a boy with the most fortunate name for a fourteen-year-old ninth grader who went to junior high. He was not a reserved boy who did not contain visions‚ intelligence or the ability to stand up for himself. Harry Hands was different. He was very intelligent and the main flaw of his personality was that he did not mind showing it. Harry was a new student at the high school‚ but that was impossible to tell. He had so much confidence in himself‚ on the basis of his superior intellectual
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of solutions and test their pH. Due to materials available pH strips were the only testing tools available. A table is setup to compare the strip color to its pH level. Four known solutions including bleach‚ lemon juice‚ soda‚ and baking soda were used. There was also an unknown solution in which the pH level was used to determine which solution it was. The pH scale is 1-14‚ a pH of 7 is neutral‚ less than 7 is acidic‚ and greater than 7 is acidic. Materials: * pH strips * 20 test tubes
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The effect temperature has on the activity of the enzyme α- amylase. Introduction Enzymes are a biological catalysts‚ which means that they speed up the chemical reactions in living organisms. Almost all of enzymes are energized protein molecules that catalyse and regulate nearly all biochemical reactions that occur within the human body. The reason in which enzymes are sensitive to heat‚ pH and heavy metal ions is because they are made up of proteins. The food we eat is turned into energy by enzymes
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