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    Enzymes

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    CHAPTER 4: ENZYMES Enzymes are biological catalysts. There are about 40‚000 different enzymes in human cells‚ each controlling a different chemical reaction. They increase the rate of reactions by a factor of between 106 to 1012 times‚ allowing the chemical reactions that make life possible to take place at normal temperatures. They were discovered in fermenting yeast in 1900 by Buchner‚ and the name enzyme means "in yeast". As well as catalysing all the metabolic reactions of cells (such as respiration

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    Enzymes

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    May 1‚ 2013 Enzymes as Drug Targets Enzymes are defined as any of numerous proteins produced in living cells that accelerate or catalyze the metabolic processes of an organism. Enzymes are usually very selective in the molecules that they act upon‚ called substrates‚ often reacting with only a single substrate. The substrate binds to the enzyme at a location called the active site just before the reaction catalyzed by the enzyme takes place. Enzymes can speed up chemical reactions by up to

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    enzyme

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    Enzyme Lab Name ___________________________ Assignment 1: Getting to Know Enzyme Lab: Setting Up an Experiment The first screen that appears in Enzyme Lab shows you a biochemistry lab containing all the reagents and equipment you will need to perform your experiments. Click on each item in the lab to learn more about its purpose. Once you are familiar with the lab‚ click on the Experiment button to begin the first assignment. This assignment is designed to help you become

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    Enzymes Essay

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    Enzymes Enzymes are the sparks that start the essential chemical reactions our bodies need to live. They are necessary for digesting food‚ for stimulating the brain‚ for providing cellular energy‚ and for repairing all tissues‚ organs‚ and cells. There are three types of enzymes: metabolic enzymes‚ digestive enzymes‚ and food enzymes. Metabolic enzymes catalyse‚ or spark‚ the reactions within the cells. The body’s organs‚ tissues and cells are run by metabolic enzymes. Without them our bodies

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    Application of Enzymes

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    scale Enzyme applications 1. Detergents Bacterial proteinases are still the most important detergent enzymes. Lipases decompose fats into more water-soluble compounds. Amylases are used in detergents to remove starch based stains. 2. Starch hydrolysis and fructose production The use of starch degrading enzymes was the first large scale application of microbial enzymes in food industry. Mainly two enzymes carry out conversion of starch to glucose: alpha-amylase and fungal enzymes. Fructose

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    Importance of Enzymes

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    Enzymes and Their Importance in Plants and Animals Enzymes are large proteins that are responsible for catalysing thousands of metabolic processes that sustain life. Enzymes work similarly to those catalysts used in industry by lowering activation energy and therefore dramatically speeding up the rate of a reaction‚ however‚ these biological catalysts are highly selective to their substrate. Almost every chemical reaction that occurs in a cell requires enzymes in order to occur at rates required

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    Enzyme Lab

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    Enzyme Lab Marcus James. December 20‚ 2013 HL Biology 3 Period 1 Purpose and Background The purpose of this lab is to explain how enzymes act as catalysts for biological reactions in different temperatures. This lab relates to enzymes‚ proteins‚ and substrates; that we learned in class. The union of the enzyme and the substrate is called the enzyme-substrate complex. The make-up of an enzyme is proteins and made up of chains and amino acids. Enzymes

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    Enzyme Amylase

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    The Rate of Reaction that Enzyme Concentration‚ pH‚ and Temperatures Have on the Amylase Enzymes Color Disappearance Abstract: Compare reaction rates of the concentrations‚ pH’s‚ and temperatures of the enzyme Amylase. At what concentrates do the substrate molecules collide with each other‚ making the reaction possible? At what pH levels do the 3D molecular structures change breaking the H-bond and/or denaturize? At what temperatures do the collisions of the substrate molecules happen

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    Enzyme Activity

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    temperature was above 40Ëšc the enzyme did not work as efficiently‚ even with the extra energy‚ as they had become deformed. Where the enzyme does not work so well or does not even work at all the active site if the enzyme had changed. The enzyme had not died as it is not a living organism. With the shape of the active site changed the enzyme is unable to perform the "lock and key" action the enzyme is meant to do in order to catalyse a reaction. The specified enzyme is shaped to "lock" on to

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    Enzyme Catalase

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    Enzyme Catalase What Factors Affect Enzyme Activity Michelina Bartolotto Lab Biology 111B February 2‚ 2014 /media/common.studymode/studymode-upload/stm/files/e1b9a3d6adf94ca848b12159c31f11b0.docx INTRODUCTION Enzymes are proteins that function as biological catalysts (Perry‚ Morton 2007). They maintain the body’s stable internal balance‚ and without them life would

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