gradually over time all the apples did turn brown by the end. This can be seen in Table 1 where browning is recorded in all set positions. Within apples and many other fruits is an enzyme known as polyphenol oxidase (PPO). Through the process of oxidation‚ discolouration occurs within the apples as browning is correlated to enzymatic activity‚ such as polyphenol concentration and other factor of conditions that change optimality of an enzyme (Burda‚ Oleszek‚ & Lee‚ 1990). In the experiment‚ the apples
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is used as a catalyst [2]. Vanadium resists corrosion‚ which acid causes. These acids include alkalis‚ sulfuric acid‚ hydrochloric acid‚ and salt water‚ It oxidizes at temperatures exceeding 660 degree and Its common oxidation states are +2‚ +3‚ +4 and +5. The higher the oxidation is‚ the more toxic vanadium is. Metals are elements that have a shiny surface‚ good conductors of heat and electricity can be melted‚ hammered into thin sheets‚ and drawn into thin wires [3]. Vanadium is created in about
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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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Nitric Acid Nitric acid is an acid many people have come across in life. One may have felt nitric acid when touching fertilizers‚ or using dyes. Nitric acid appears in substances we never thing it would be used in. In fact‚ small contents of nitric is acid is found in raindrops that fall from the sky. Nitric acid‚ or known as NHO3aq is an acid formed from reaction of ammonia and oxygen. Nitric acid is a colourless acid when it’s pure‚ or can be found yellow or red. This acid can be very corrosive
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LESSON PLAN Name: Allison Akenson WGU Task Objective Number: ELT: Task 12 GENERAL INFORMATION | Lesson Title & Subject(s): Expository Writing Lesson / Language Arts Topic or Unit of Study: Expository Writing Lesson: Informing the reader of a topic that would include facts‚ such as book reports or research reports. Grade/Level: Third Instructional Setting: Third grade classroom will be seated at their individual desks for presentation of expository writing‚ guided practice
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Unit-II: MOS/BiCMOS Process Technology and Integration Introduction BiCMOS = CMOS + Bipolar (BJT) structures on the same substrate. Advantanges of CMOS device: 1. Low Power 2. High digital IC density. Advantages of Bipolar transistors: 1. Ability to deliver large drive currents 2. Capability to rapidly charge heavy loads. The implementation of digital bipolar circuits with emitter-coupled logic (ECL) gates permits small logic swings and excellent noise immunity
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CONTENTS CHAPTER 1: INTRODUCTION 1.1 INTRODUCTION 1.2 CATALYTIC CONVERTER AS A POLLUTION CONTROL DEVICE 1.3 HISTORY 1.4 POSITON OF CATALYTIC CONVERTER CHAPTER 2: CONSTRUCTION 2.1 BASIC COMPONENT 2.2 COATING PROCESS 2.3 DETAILED COATING PROCESS 2.4 CATALYST MATERIAL 2.5 TYPES OF CATALYTIC CONVERTER CHAPTER 3: WORKING 3.1 CONVERSION PROCESS 3.2 WAYS OF CONVERSION 3.3 PRECAUTIONS 3.4 SELECTIVE CATALYTIC REDUCTION CHAPTER 4: DEMERITS 4.1 CATALYTIC INHIBITION
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chemotrophic – energy is obtained from external chemical compounds phototrophic – energy is obtained from light In practice‚ these terms are almost freely combined. Typical examples are as follows: chemolithoautotrophs obtain energy from the oxidation of inorganic compounds and carbon from the fixation of carbon dioxide. Examples: Nitrifying bacteria‚ Sulfur-oxidizing bacteria‚ Iron-oxidizing bacteria‚ Knallgas-bacteria photolithoautotrophs obtain energy from light and carbon from the fixation
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dilution calculations) Ionic reactions (formula unit equation‚ complete ionic and net ionic equation). Solubility rule Types of ionic equations: acid-base‚ precipitation‚ gas evolution. Spectator ions Oxidation-reduction reactions (how to distinguish ox-red reactions vs. ionic equations) Oxidation‚ reduction‚ reducing and oxidizing agent. Chapter 14 Dynamic Equilibrium and equilibrium constant‚ expressing Equilibrium constant for chemical reactions Large and Small equilibrium constant Relationship
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following website: http://glencoe.mcgraw-hill.com/sites/dl/free/0078757134/383932/BL_25.html After reading the guide‚ you will work to move the puzzle pieces in order of occurrence from top left to bottom right. Once you have the pieces in the correct order after checking for accuracy‚ you will then perform a print screen of the complete puzzle and insert it into this worksheet (last
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