Received July 18‚ 1997X A radiochemical enzyme assay for studying cyclooxygenase (COX)-catalyzed prostaglandin biosynthesis in vitro was optimized with respect to both COX-1 and COX-2 activity. The assay can be used to assess the relative selectivity of plant-derived inhibitors on COX-1 and COX-2. Assay conditions were optimized for both enzymes with respect to concentration of cofactors (l-epinephrine‚ reduced glutathione‚ and hematin)‚ activation time (enzyme and cofactors)‚ reaction time‚ and
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Baker Machine Company Layout Problem 3.4. (Summary) Baker Machine is considering two alternative layouts. We will compare the Weighted-Distance Scores using rectilinear distance* of the two block plans to determine which alternative layout is better. Alternative Layout 1 Alternative Layout 2 3 | 6 | 4 | 5 | 1 | 2 | 3 | 1 | 4 | 5 | 6 | 2 | * rectilinear distance – the distance between two points with a series 90-degree turns‚ as along city blocks Data Baker Machine Company
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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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describe charts and graphs in Part 1 of the Academic Writing test A1. Lesson Plan 1. Warmer: In pairs the students answer the following questions: “What type of music do you like?” “How do you buy and listen to music?” “How are your choices in music different to your parents or people of other generations?” Timing 3 mins 2. Give out A2. Classroom Handout 1 to each student. Focus the students on the graph. In pairs or small groups‚ the students discuss the graph and any general trends
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temperature on enzyme action An enzyme is a biological catalyst that speeds up the rate of reaction in certain biological functions. They play a vital role in many aspects of human physiology and are necessary for the functioning of a number of systems‚ for example in the digestive system to help to break down food. All enzymes have a unique active site that can fit on to a particular molecular arrangement on a target substrate; a substance e.g. carbohydrate‚ protein‚ or fat‚ that the enzyme is designed
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Lab #5: Refraction of Light Theory: Refraction can be defined as the bending of a wave when it enters a medium which causes it to have some reduced speed. In terms of light‚ refraction occurs when the ray passes through some medium which slows its speed; such as water or glass. In this instance the ray tends to bend towards the normal of the medium. The amount of bending or refraction which occurs can be calculated using Snell’s Law (). Objective: To measure the index of refraction of Lucite
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What are amylases? Amylases are enzymes that break down starch or glycogen. Amylases are produced by a variety of living organisms‚ ranging from bacteria to plants and humans. Bacteria and fungi secrete amylases to the outside of their cells to carry out extracellular digestion. When they have broken down the insoluble starch‚ the soluble end products such as (glucose or maltose) are absorbed into their cells. Amylases are classified based on how they break down starch molecules i. α-amylase
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MA (TESOL) Neil Hammond How can Multiple Intelligence Theory be used to foster teacher development‚ support‚ and informed curriculum supplementation? March 2007 PREFACE The writing of this dissertation marks the end of an extremely fulfilling process of exploration‚ and hopefully the beginning of an equally fulfilling process of application. I am indebted to the inspiring teaching staff at EF Vancouver‚ especially to ELT veteran Victor Hill who provided an invaluable sounding board for conceptual
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How to describe and use climatic graphs All three areas have the maximum temperature in July; England’s maximum temperature is 20 degrees. Norway’s is 16 degrees and Siberia is 24 degrees. The difference between highest and lowest is only 8 degrees. All three areas also have the minimum temperature in January. England’s is 0 degrees‚ Norway’s is -6 and Siberia’s is -51. The difference from highest to lowest for minimum temperature is 51 degrees. Both England and Norway have a difference of 20
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Equations − − − − Relating linear graphs and simultaneous equations Analysing graphs Practical applications of linear graphs Writing algebraic equations Jane Stratton Objectives: • Use linear graphs to solve simultaneous equations • Use graphs of linear equations to solve a range of problems • Translate worded problems into graphical and algebraic form Finding the Solution to an Equation from a graph • Finding solutions to an equation when we have a graph is easy‚ we just need to find the coordinates
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