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International Chemistry Olympiad - Appendix C ... - PianetaChimica

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11.3.1.3. 20 amino acids (classification with structures2provided)11.3.1.4. Separation by electrophoresis 311.3.1.5. The peptide linkage 111.3.2. Proteins11.3.2.1. Primary structure 111.3.2.2. –S-S- bridges 311.3.2.3. Sequence analysis 311.3.2.4. Secondary structure 311.3.2.5. Details of α-helix structure 311.3.2.6. Tertiary structure 311.3.2.7. Denaturation (change in pH, temperature, metals, 2ethanol)11.3.3. Nuclei Acids and Protein Synthesis11.3.3.1. Pyrimidine and purine 311.3.3.2. Nucleosides and nucleotides 311.3.3.3. Formulae of pyrimidine and purine bases 311.3.3.4. Difference between ribose and 2-deoxyribose 311.3.3.5. Base combination CG and AT (hydrogen-bonding) 311.3.3.6. Difference between DNA and RNA 311.3.3.7. Difference between mRNA and tRNA 311.4. Enzymes11.4.1.1. General properties, active centers 311.4.1.2. Nomenclature, kinetics, coenzymes, function of ATP 312. Analytical chemistry12.1. Titrations12.1.1. acid-base12.1.1.1. Titration curve; pH (strong and weak acid) 212.1.1.2. Choice of indicators for acidimetry 212.1.2. Redox titration 312.2. Qualitative analysis12.2.1. Ions (Inorganic)12.2.1.1. Identification of Ag + , Ba 2+ , Cl – 2–, SO 4 212.2.1.2. Identification of other anions and cations 312.2.2. Organic functional groups12.2.2.1. Lucas reagent (1-, 2-, 3-alcohols) 312.2.2.2. Iodoform reaction 312.2.2.3. Identification of primary, secondary, tertiary,3quarternary amines in the laboratory12.3. Chromatographic methods of separation 3Experimental partLevel 1:Level 2:Level 3:is assigned to the basic experimental activities which are supposed to bemastered by competitors very wellis assigned to the activities which are parts of school experimentalexercises in developed countries and the authors of IChO tasks mayincorporate them into the tasks without being bounded to mention it inadvanceis assigned to such activities which are not in the chemistry syllabus in themajority of participating countries and the authors are obliged to mentionthem in the set of preparatory tasks<strong>International</strong> <strong>Chemistry</strong> <strong>Olympiad</strong> - <strong>Appendix</strong> C - 2004 9

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