LAB 10: NAME: DaeNia La Rodé DATE: 25TH January‚ 2011. FORM CLASS: L6 3 SUBJECT: Biology TITLE: Enzymes AIM: To investigate the effect of substrate concentration on the enzyme amylase INTRODUCTION: Enzymes are perhaps one of the most important proteins of the human body. Enzymes such as amylase‚ an enzyme that breaks down carbohydrates‚ work by means of surface catalysis. In other words‚ the surface of the enzyme enables other molecules to react in a manner they would not be able to without
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polymers. Where on the filaments do subunits exchange with free monomers? Subunit exchange with free monomers occurs at the end of filaments. In actin filaments‚ subunits can be freely exchanged at both ends of the filament (pointed and barbed ends) until the actin formation reaches a steady state. At this point‚ the subunits are added to the barbed end and lost from the pointed end simultaneously in a phenomenon known as treadmilling. In microtubules‚ tubulin subunits are added
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are found in and out of cells and lower the activation energy of a reaction. Amylase is the enzyme which catalyses starch hydrolysis. Alpha amylase and beta amylase are two types of amylase enzymes. The amylase which is the most commonly found in the human body is the alpha amylase. Beta amylase is mainly found in bacteria‚ fungi and plants. Amylase breakdown starch into maltose. During the process of hydrolysis‚ Amylase degrades starch by splitting the long glucose units into smaller intermediates
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such as fructose. The enzyme helps a chemical reaction take place quickly so that the reaction happens properly. In order for that to happen the enzymes process by the lock and key model‚ the lock is the substrate and the enzyme is the key. The active sites are specific to a certain substrate of a molecule‚ so the enzymes only have one job to do. The shape of an enzyme is not changed or consumed during these reactions. However‚ without enzymes the reactions would take too long and would not breakdown
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Letter of Transmittal May 29‚ 2009 Nazmul Hossain Lecturer Department of Marketing Faculty of Business Studies University of Dhaka Subject: Submission of the report. Dear Sir‚ This is the report on Organizational Behaviour an essential component of Business strategy that you have assigned us on different lectures in this semester. The report carrying essential organizational culture of our Bangladeshi company component bears the proof of our sincerity and professionalism
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Salivary Amylase Domingo‚ Guray‚ Hugo‚ Lorenzo‚ Mohammad Isa Intro Because everything has a start Catalysis The process of increasing the rate of reaction with the use of a catalyst. Catalyst – any substance that increases rate of reaction upon addition to a certain reaction Page 3 Enzymes Act on substrates in a reaction Highly specific Breaks down complex macromolecules‚ synthesizes compounds essential for the cell Active site Enzyme-substrate complex
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Abstract This experiment was designed to test the reaction of the enzyme amylase at various temperatures. There were two different kinds of amylase being tested‚ one was fungal amylase also known as aspergillus oryzae and human amylase. The changes in temperature effect the rate at which an enzyme and a substrate collide. When the temperature is too high the active site changes shape or denatures‚ once this occurs it stops substrates from attaching themselves to their corresponding enzyme. When the temperature
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of pH on amylase activity This practical allows you to: * discover how pH affects the rate of an enzyme controlled reaction * evaluate the experimental procedure Procedure SAFETY: Follow your teacher’s instructions for handling the solutions. Wear eye protection when handling the iodine solution. Investigation * Place single drops of iodine solution in rows on the tile. * Label a test tube with the pH to be tested. * Use the syringe to place 2 cm3 of amylase into the
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Abstract This lab was focused on determining the optimal temperature of the enzyme amylase responsible for catabolizing starch polymers and to see how different temperatures affected the rate as well as how effectively the enzyme worked. To proceed with the experiment the group set up four different test tubes for each‚ bacteria and fungal amylase‚ and labeled them accordingly with different temperatures as well as different solutions . Then the spot plates were placed on the time and temperature
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