Experiment N | Kinetics of the Depolymerization of Diacetone Alcohol via Basic Catalysis | | Ingrid Tafur -5672578 | 2/11/2011 | CHM233O Partner: Laura Marrongelli Demonstrator: Cheryl McDowall Objective The rate constant of the depolymerization of diacetone alcohol via basic catalysis was determined by monitoring the change in volume as a function of time at constant temperature of a pseudo first order reaction where the species in excess was sodium hydroxide. This was accomplished
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biologically important. Answer: Hydrolysis: Hydrolysis uses water (and various enzymes) to break down molecules into smaller‚ simpler molecules. This occurs by breaking a bond on the reactant and adding a hydrogen atom to one part‚ and a hydroxyl (-OH) to the other. The result is 2 simpler molecules. Macromolecule + Water molecule + molecule This process aids us in controlling blood sugar‚ by the hydrolysis of glycogen to glucose. Glycogen + Water + (Enzymes) Glucose + Glucose
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The Uses of water in Living Things Topics I have chosen to cover: - Osmosis & Water potential - Condensation & Hydrolysis Reactions - Digestion – the importance of water - Blood and tissue fluid To emphasise the sheer importance of water in living things and to put the content of this essay in to perspective‚ I am firstly going to inform you that the human body is approximately 50-75% water. Without water our body would be unable to successfully perform the numerous complex reactions and
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Polyphenols (also sometimes termed ‘phenolics’)‚ are benzene rings which is a class of chemical compounds that consists of a hydroxyl (-OH) group‚ which is directly bonded to an aromatic hydrocarbon group. Phenolic compounds are widely produced industrially however; they are also produced by plants (mainly for protection against stress) and microorganisms where variations occur between different species. Polyphenols play vital roles in the growth of plants‚ especially in lignin and pigment biosynthesis
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The Sanger Method was developed by Frederic Sanger. It was the first method developed to sequence the genome and the genetic code and is still the most commonly used method of DNA sequencing. In 1980 Sanger was awarded a nobel prize in chemistry for his work concerning DNA sequencing along with Paul Berg and Walter Gilbert who also contribuated in this major breakthrough. Since then the Dideoxy chain termination method has been highly developed and optimised. To sequence DNA in term of the Sanger
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Peptidoglycan‚ also known as murein‚ is a polymer consisting of sugars and amino acids that forms a mesh-like layer outside the plasma membrane of bacteria (but not Archaea)‚ forming the cell wall. The sugar component consists of alternating residues of β-(1‚4) linked N-acetylglucosamine and N-acetylmuramic acid. Attached to the N-acetylmuramic acid is a peptide chain of three to five amino acids. The peptide chain can be cross-linked to the peptide chain of another strand forming the 3D mesh-like
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The Disease Process of Atherosclerosis & its Complication; Myocardial infarction Loretta Zambito McMaster University HTH SCI 2C06 Dr. Ruth Hannon March 11‚ 2013 Atherosclerosis is the primary topic for this research paper. It is a disease process that can lead to many complications‚ one of which is called myocardial infarction; otherwise known as a heart attack. Atherosclerosis‚ or the hardening of the arteries‚ is defined as a disease characterized by abnormal thickening of the
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Chapter 7: Carbohydrates I. Carbohydrates A. Most abundant organic molecule in nature a) 3 major classes: Monosaccharides – simple sugar – polyhydroxy aldehyde or ketone; represent individual sugar Oligosaccharides – consist of short chains of monosaccharide units joined together by covalent bonds; 2-10 strings of sugar Polysaccharides – long chains having hundreds or thousands of monosaccharide units b) Functions: Provide energy thru oxidation – glucose oxidized for energy Supply carbon
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percentage recovery of products. Test for purity and identification of products. Abstract Cyclohexene and cyclohexanol are both colourless aromatic compounds. The major difference between the two is the presence of the hydroxyl group present in cyclohexanol. This hydroxyl group can be removed by a process known as dehydration which results in the production of cyclohexene at the end of the dehydration process in the presence of a catalyst which‚ in this case‚ was 85% phosphoric acid. Dehydration
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Thomas D Extended Research Task “The health benefits of red wine have come to light in recent years. Hope is on the horizon‚ and it may be in your glass!” Despite a seemingly indulgent high saturated fat diet‚ the French have a substantially lower death rate from coronary disease than any other major country. This phenomenon had been named the French Paradox and it is suggested that their consumption red wine may account for this strange occurrence (Mark Gould‚ 12/03/2006). In recent years
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