CHEM 3152-003 Experiment 2: Fractional Distillation and Gas Chromatography Introduction: The purpose of this experiment was to separate a mixture of ethyl acetate (EtOAc) and toluene by using the method of fractional distillation and to analyze the fractions using gas chromatography (GC). ethyl acetate toluene Distillation is a method known as separating or purifying a liquid or mixture by vaporization and condensation. In a simple distillation‚ the liquids being separated boil below 150 0C
Premium Distillation Chromatography Gas chromatography
AP Bio Ras Protein Paper The Ras proteins are a family of proteins that belong to a class of proteins called the small GTPase’s. They belong to a large super-family of proteins known as "low-molecular weight G-proteins". They are used to transmit signals throughout a cell using transduction. They strengthen the signals conveyed by linking them to a chemically irreversible process such as the cleavage of GTP. Ras proteins are usually in the “off” state where the GDP is bound to the site. However
Premium Protein Gene Amino acid
The Plant Cell‚ Vol. 17‚ 1829–1838‚ June 2005‚ www.plantcell.org ª 2005 American Society of Plant Biologists Dual Role for Tomato Heat Shock Protein 21: Protecting Photosystem II from Oxidative Stress and Promoting Color Changes during Fruit Maturation Inbal Neta-Sharir‚a Tal Isaacson‚b Susan Lurie‚c and David Weissa‚1 a Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture‚ Faculty of Agricultural‚ Food‚ and Environmental Quality Sciences‚ Hebrew University of Jerusalem‚ Rehovot
Premium Tomato Fruit Photosynthesis
Characterization of Uncle Henry This characterization of Uncle Henry focuses on the two main ways that he is portrayed in "Luke Baldwin’s Vow." These two ways are: what Morley Callaghan‚ the author‚ reveals through the narrator and what other characters say about Henry. In this short story‚ Henry is usual referred to as Uncle Henry because he is Luke’s uncle. The narrator of this story portrays Henry in many physical and psychological descriptions. He is the manager of a sawmill‚ where he
Premium Fiction English-language films Morley Callaghan
A protein is a Biological polymer made up of as different amino acids joined by peptide bonds. A protein is formed by amino acids which are the basic building block of a protein components of an amino acid include a :C-carbon atom‚ H-Hydrogen atom‚ H3N+ - Amino Group‚ COOH- - Carboxyl Group‚ R- this group varies from amino acid to amino acid. There are 20 amino acids‚ each differing in its R group. Two examples are: Glycine‚ its R group being H(Hydrogen) and Phenylalanine its R group being CH2 (Carbon
Premium Amino acid Protein Blood
High-Protein Diets Christine J. Williams SCI 241 September 19‚ 2012 Diane Carson High-Protein Diets Proteins are a vital nutrient that must be provided by one’s diet. Bones‚ skin‚ muscle‚ hair‚ and most other tissues are made up of proteins. The continuous replenishment of new protein from one’s diet keeps the body functioning properly. When a person is consuming a high protein diet‚ it is inevitable to be on a low carbohydrate diet as well. There are a lot of foods that contain protein and
Premium Nutrition
Proteins are also essential nutrients for the human body. They are important in body tissue‚ and can also serve as a fuel source. Every cell in the human body contains protein. The basic structure of protein is a chain of amino acids. We need protein in our diet to help our body to repair cells and make new ones. The human body needs a lot of amino acids to maintain good health. Protein is also important for growth and development in children‚ teens‚ and pregnant women. Proteins are polymer chains
Premium Nutrition Protein Metabolism
The purpose of column chromatography is to separate one compound from another by the differing polarities in the compound. This technique is important in organic chemistry because certain experiments may require the separation of compounds in solution to be used for chemical synthesis and/or analysis of a particular desired product by isolating it. Fluorene is to be separated from 9-fluorenone using the technique of column chromatography. The success of separation and purity is determined with analyzation
Premium Solvent Chemistry Solubility
Chapter 4--The Three-Dimensional Structure of Proteins Student: ___________________________________________________________________________ 1. Exhibit 4A The following question(s) refer to this peptide: Cys-Ala-Gly-Arg-Gln-Met Refer to Exhibit 4A. Total hydrolysis of the peptide in HCl would yield these products: A. Ala‚ Arg‚ Cys‚ Gln‚ Gly‚ Met B. Ala‚ Arg‚ 2 Cys‚ Gln‚ Gly‚ H2S C. Ala‚ Arg‚ Cys‚ Glu‚ Gly‚ Met‚ NH3 D. Ala‚ Arg‚ 2 Cys‚ Glu‚ Gly‚ H2S‚ NH3 E. None of these answers is
Premium Protein Amino acid Protein structure
Candy Chromatography: What makes those colors? The point of doing this project is to use paper chromatography to see which dyes are used in the coatings of your favorite colored candies. Chromatography is a technique for separating mixtures. Chromatography can be used to separate specific components from a complex mixture‚ based on molecular size or other chemical properties. It can also be used to identify chemicals‚ for example crime scene samples like blood‚ drugs‚ or explosive residue. Highly
Premium