Fatty acids (FAs) can ultimately be degraded through different pathways which include alpha‚ beta‚ and omega-oxidation. Alpha-oxidation occurs at carbon 2 of the chain‚ b-oxidation at C3‚ and omega-oxidation at methyl end of the fatty acid. The location of each mechanism also differs as alpha- oxidation occurs in peroxisomes only‚ beta-oxidation can take place in both peroxisomes and mitochondria. Omega-oxidation occurs in the endoplasmic reticulum of the various tissues. The importance of the differentiation
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results. All of the following tests were performed on this unknown: 1 Colony Appearance 2 Motility 3 Gram Stain 4 Thyoglycollate aerobic vs. anaerobic 5 Innoculate T soy slant 6 Optimum growth temperature 37o vs. 42o 7 Nitrate test 8 Methyl Red 9 Carbohydrate fermentation 10 Catalase Test 11 Oxidase test
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Quantitative Analysis of Soda Ash by Double Indicator Method Results and Discussion The experiment focuses in the use of double indicator titration in quantitative analysis of soda ash sample. Titration refers to the process of measuring the volume of titrant required to reach the equivalnece point. This method of analysis‚ is based on the chemical reaction aA + bB → products (1) where a is the molecules of the unknown substances to be analyzed or the analyte. Analyte reacts with b molecules
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Synthesis of Salicylic Acid and Potentiometric Determination of its Purity and Dissociation Constant ------------------------------------------------- Abstract The purpose of the study is to synthesize salicylic acid from the ester‚ methyl salicylate‚ and determine the acid’s dissociation constant and purity. The ester was converted to salicylic acid by base hydrolysis. The products were refluxed and recrystallized‚ to ensure maximum purity‚ and filtered‚ dried‚ and weighed. The melting point
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the major difference is that isoborneol has a higher intensity reading from the 1500-1000 wavenumbers. 2). The peaks are different due to the position of the OH. In borenol‚ the OH is in the endo position‚ making it further away from both of the methyl groups‚ this is why they have
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sequence. They differ among tissues and change over throughout the organism’s lifetime. A well-understood example of epigenetic modification is DNA methylation‚ the process by which a methyl group is covalently bonded to cytosine. During DNA replication‚ a specific enzyme recognizes unmethylated daughter CpGs and adds methyl groups to them. Chromatin modification‚ which can occur structurally or chemically‚ is another example of epigenetic activity. As stated above‚ epigenetic modifications control gene
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total oil were identified. The main compounds were 9‚ 12-Octadecadienoic acid (Z‚ Z)-‚ methyl ester (14.3 %)‚ Cedran-diol‚ 8s‚ 14- (13.2 %)‚ Caryophyllene (11.8 %). Sesquiterpenes were the main group of compounds. Sesquiterpenes and its derivatives are used as anti cancer‚ immunosuppressive and anti inflammatory agents. Key words: Solanum erianthum‚ hydrodistillation‚ 9‚ 12-Octadecadienoic acid (Z‚Z)-‚ methyl ester‚ Cedran-diol‚ 8s‚ 14-‚ Caryophyllene‚ Sesquiterpenes. Introduction The Solanaceae
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Escherichia coli Microbiology Lab NAS 185-14L Introduction In this lab experiment we did several test to determine what our unknown bacteria was. To determine this we recorded the results of how the bacteria reacted to different media. Depending on the results of each test we could narrow down the different bacteria to determine what our unknown is. This experiment will also determine if our bacteria is a fermenter of sugars and if it is catalase positive. If the bacteria is
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form chlorine monoxide. Then it is regenerated through the reaction with monatomic oxygen in the second equation. The net result of the two reactions is the depletion of ozone and atomic oxygen.6 Chlorofluorocarbons (CFCs)‚ halons‚ and methyl bromide are a few of the ozone depletion substances (ODS) that break down ozone under intense ultraviolet light. The bromine and fluorine in these chemicals act as catalysts‚ reforming ozone (O3)
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organic laboratory techniques inside the lab to get one oriented to the basic methods of procedure that can be used for later experiments. This experiment involves the separation of benzoic acid from a more crude form‚ consisting of benzoic acid‚ methyl orange‚ a common acid/base indicator‚ and cellulose‚ a natural polymer of glucose (Huston‚ and Liu 17-24). The technique that is used to perform this separation is called extraction. Extraction is a systematic process of separating mixtures of compounds
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