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    ABSTRACT Enzymes are highly specific and can distinguish isomers of the same molecule. The enzyme invertase specifically catalyzes the reaction of the conversion of sucrose to its individual carbohydrates glucose and fructose. It does not catalyse the reaction of maltose to 2 glucose or lactose to galactose. In this experiment‚ titrimetric and spectrophotometric methods were used to determine the specificity of invertase by determining the amount of glucose converted from the given disaccharides

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    Biol 200 Exam 1 Study Guide

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    Short answer questions – generally complex by their nature and require knowledge and integration of several different concepts 1. Explain what are the end goals of reproductive cloning and therapeutic cloning. Outline the steps both procedures share and the step(s) specific for each procedure. • Reproductive Cloning- Reproductive cloning is a type of cloning which is performed for the purpose of creating a duplicate copy of another organism. It is accomplished using a process called somatic cell

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    9.2 Maintaining A Balance 1. Most organisms are active in a limited temperature range. | | * Identify the role of enzymes in metabolism‚ describe their chemical composition and use a simple model to describe their specificity on subrates. | * Role of enzymes in the metabolism:Biological catalysts that control all chemical reactions within the body. They are specific to one action. | | * Chemical composition:Catalysts produced by cells made up of proteins (linked amino acids)

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    temperature conditions. Introduction Before doing research on amylases‚ an explanation of enzymes is needed to fully understand each part of the experiment. An enzyme is a protein that helps speed up a chemical reaction (Raven‚ 2011). An enzyme is a catalyst‚ which is made by living cells; usually enzymes assist in developing the metabolic process of cells (Underkofler et al‚ 1958). The way in which enzymes speed up the chemical reaction is by lowering the activation

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    Cell Biology- Osmosis‚ Cell Size and Diffusion and Enzymes 1.0 INTRODUCTION Cells are the basic building blocks of all living things. They provide structure for the body‚ take in nutrients from the food‚ convert those nutrients into energy‚ and carry out specialized functions. Cells also contain the body’s genetic material and can make copies of themselves. A cell is also a metabolic compartment where many different chemical reaction occur. There are two types of cells‚ eukaryotic and prokaryotic

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    Spm Biology

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    SPM Biology – Answering Techniques in Paper 3 SPM Biology candidates typically commit the mistake of thinking that the length of their answered essay or structured questions equates to marks deserve‚ under the formula‚ Length of Structure Answer/Essay = Marks. This is wrong and Berry Berry Easy wishes to clear the air regarding this issue. It is never about how long you write but more about how accurate you write. So for Berry Readers who can write long answers but never seemed to score well‚

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    The optimum temperature for amylase production was found to be 37°C. Amylase production occurred at pH 3.0-9.0 with a maximum at pH 5.0. The best enzyme activity was observed at pH 6.0 and temperature 70°C. Key Words: Bacillus sp; solid culture; α-amylase. Alpha amylase (EC3.2.1.1‚ 1‚4alpha-D-glucan-glucanohydrolase) is an extracellular enzyme‚ which is involved in the starch processing industries where it breaks starch down into simple sugar constituents (Reddy et al.‚ 2003; Asgher et

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    Acetylcholinesterase

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    Measurement of Enzymatic Activity of Acetylcholinesterase (AChE) Nicole Tallian Dan Lappe‚ Dan Ahmadizadeh‚ Francesca Iacono Jason O’Rawe Bio 204 L60 10/8/11 Introduction The most important enzyme for muscle and nerve movement is acetylcholinesterase (AChE) (Zapletalova). An enzymes job is to attach to one of the reactants‚ or the substrate‚ and lower the biochemical activation energies. AChE uses hydrolysis to break down the neurotransmitter acetylchoine (ACh). This neurotransmitter

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    Saliva on Starch

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    Experiment 9. The action of saliva on starch Study the flow chart on p. 9.02 for a few minutes to gain an idea of the outline of the experiment. (a) Prepare a water bath by using a Bunsen burner to heat some water in a beaker on a tripod and gauze till it boils; then turn the flame down to keep the water just boiling. While waiting for the water to boil‚ carry on from (b). (b) Label eight test-tubes 1 - 8 and in tube 1 collect saliva as follows: (i) Thoroughly rinse the mouth with

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    Catalase Lab

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    Assessment of Catalase Function Lab Introduction The purpose of this lab report was to test and measure the rate of substrate destruction by an enzyme‚ we tested the destruction of hydrogen peroxide by the enzyme catalase. Hydrogen peroxide is a poisonous by product of metabolism that can damage cells if it is not removed. Catalase is an enzyme that speeds up the breakdown of hydrogen peroxide into water and oxygen gas. H2O2 + catalase → H2O + O2 A catalyst is a substance that lowers the

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