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    Amino Acids Lab

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    Amino acids are important building blocks; they play an essential role in the formation of proteins and as intermediates in metabolism. Amino acids can serve as cell signaling molecules and can regulate gene expression. An optimal amount of amino acids is essential for health. There are over 500 amino acids‚ however only 20 are commonly found. Amino acids all have an amine functional group and a carboxylic acid functional group. They differentiate from each other in their side chains. Only 10 of

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    Copper Reactions

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    ------------------------------------------------- ABSTRACT ------------------------------------------------- The copper reaction experiment was demonstrated by adding the reagents like 16M HNO3‚ Distilled water‚ 6M NaOH‚ 6M H2SO4‚ Acetone‚ Zinc metal and Methanol into the beaker with the copper wire. The experiment was also demonstrated to observe how copper reacts while different reagents were being added. It was also demonstrated to practice the common laboratory techniques such as methods

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    Iodine Clock Reaction

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    Kinetics of the Harcourt-Essen Reaction Name: Manpreet Kaur Candidate Number: 7123 AS and A2 Aims: AS AIMS: 1. Investigate the effect of temperature on the rate of reaction. For this aim 3 sets of results will be obtained by timing how long it takes for the colour change to occur in different temperatures determined by the use of an electric water bath. With these results‚ the effect of temperature on the rate of reaction will be investigated. 2.

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    Perkin Reaction

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    Perkin Reaction: Synthesis of (E)- and (Z)-Phenylcinnamic acids Thusanth Jogarajah‚ Dr. Lana Mikhaylichenko * Department of Physical and Environmental Sciences‚ University of Toronto Scarborough‚ 1265 Military Trial‚ Scarborough‚ ON‚ M1C 1A4 Received: February 6‚ 2013; E-mail Thusanth.Jogarajah@mail.utoronto.ca Abstract – Add text here Introduction: The name of this reaction is called the Perkin’s reaction. The reaction was first used by William Perkin to create phenylcinnamic acids (Johnson)

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    Electrophilic Reactions

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    2-methyl-2-butene into 2-bromo-2-methylbutane using addition of hydrogen bromide. THEORY Chemical Compound Molecular Formula Molecular Weight Boiling Point Melting Point Density Amylene CH3CH=C(CH3)2 70.13 g/mol 36 oC -134 oC 0.662 g/ml Hydrobromic Acid HBr 80.91 g/mol 126 oC -11 oC 1.490 g/ml 2-Bromo-2-MethylButane C5H11Br 151.05 g/mol 107 oC 1.18 g/ml Sodium bicarbonate NaHCO3 84.007 g/mol Decomposes at melting point unknown 2.159 g/ml Diethyl ether C2H5OC2H5 74.12 g/mol 34.6 °C −116.3

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    Amino Acids Review

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    Alanine (ala‚ A) (neutral‚ non-polar) Arginine (arg‚ R) (basic‚ polar) Asparagine (asn‚ N) (neutral‚ polar) Aspartic Acid (asp‚ D) (acidic‚ polar) Cysteine (cys‚ C) (neutral‚ slightly polar) Glutamic Acid (glu‚ E) (acidic‚ polar) Glutamine (gln‚ Q) (neutral‚ polar) Glycine (gly‚ G) (neutral‚ non-polar) Histidine (his‚ H) (basic‚ polar) Isoleucine (ile‚ I) (neutral‚ non-polar) Leucine (leu‚ L) (neutral‚ non-polar) Lysine (lys‚ K) (basic‚ polar) Methionine (met‚

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    Lactic Acid Bacteria

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    787122 Received 3 October 2002/Accepted 21 November 2002 Downloaded from http://aem.asm.org/ on June 6‚ 2013 by UNIVERSITY OF DELHI Despite their commercial importance‚ there are relatively few facile methods for genomic manipulation of the lactic acid bacteria. Here‚ the lactococcal group II intron‚ Ll.ltrB‚ was targeted to

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    Chemical Reaction Lab

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    determine whether or not a chemical reaction occurred after the mixing of various chemicals. The evolution of a gas‚ the formation of precipitation‚ and the change of temperature or color are all indicative of a chemical reaction. It was assumed that a reaction did not take place if the mixture of chemicals exhibited none of these characteristics. Several precipitation‚ complex-ion formation‚ redox‚ and acid-base reactions were performed. Redox: Decomposition Reactions In a 13 x 100 mm test tube‚ 2 mL

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    Redox Reaction Lab

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    Skills Determining the reactivity of various metals Testing Relative Oxidizing and Reducing Strengths of Metal Atoms and Ions By observing whether reactions occur between solid metals and metal ions in solution‚ you can determine the order of oxidizing and reducing agents according to strength. Question How can the presence or absence of a reaction provide information about the relative strength of oxidizing and reducing agents? Safety Precautions • Wear goggles‚ gloves‚ and an apron

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    Reaction Paper

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    diseases‚ especially cancer. ANTIOXIDANTS are molecules that can donate an electron to another molecule that has an unpaired electron‚ AKA a free radical.. By donating an electron‚ antioxidants help stop the chemical reaction called oxidation. Think of rust- that’s an oxidation reaction. So basically‚ what antioxidants are important for is to help keep your body from rusting (aging). Are We Receiving the Nutrients We Need? Are all Supplements created equal? Average adult needs to consume 5-10

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