NUCLEIC ACIDS I.BASIC CONCEPTS II.CLASSES III.CHEMICAL NATURE IV.FUNCTION I.BASIC CONCEPTS NUCLEIC ACIDS polymeric macromolecules‚ or large biological molecules‚ essential for all known forms of life are made from monomers known as nucleotides Each nucleotide has three components: a 5-carbon sugar‚ a phosphate group‚ and a nitrogenous base If the sugar is deoxyribose‚ the polymer is DNA. If the sugar is ribose‚ the polymer is RNA. Together with proteins‚ nucleic acids are the most
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1.0 Introduction of Investigation Investigation can be defined quite simply as a systematic fact finding and reporting process. It is derived from the Latin word vestigere‚ to “track or trace‚” and encompasses a patient‚ step-by step inquiry. Investigation is finding facts; it is akin to research conducted in the academic arena. Investigation is a multi-disciplined field of study. It encompasses law‚ the sciences‚ communications‚ and a host of other things. Investigation requires an inquisitive
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Introduction: Acid rain has proven to be a big problem for Connecticut. It has had a great impact on builders‚ wildlife‚ and the water sources. Acid rain has many components in it such as pollutants from plants to sulfuric acid from burning coal. Problem: Which stone is the most resistant against acid rain? Hypothesis: If we test the different stones against acid rain then red sand stone would be the best because it is heavier and cannot be easily broken. Independent variable: Type of stones
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Week 5 Individual Work Stacy Grice Everest University CJE 1600-12 Criminal Investigations Professor Stevie Hayes August 16‚ 2013 There is a big difference between an interview and an interrogation. The main purpose of an interview is to obtain information and should be done in a location where the person being interviewed is mentally and emotionally relaxed. Most of the time someone would be interviewed in their home or a park‚ where they would feel relaxed. Most of the time you interview
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Acids And BAses Acids And BAses 8.1 8.2 8.3 8.4 18.1 18.2 18.3 18.4 18.5 Theories of acids and bases Properties of acids and bases Strong and weak acids & bases The pH scale Calculations involving acids and bases (AHL) Buffer solutions (AHL) Salt hydrolysis (AHL) Acid-base titrations (AHL) Indicators (AHL) 8 8.1 THeORies OF Acids And BAses 8.1.1 Define acids and bases according to the Brønsted–Lowry and Lewis theories. 8.1.2 Deduce whether or not a species could act as a Brønsted–Lowry
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Quarries Topic Seven Accident and Incident Investigation Objectives of this Section • To define the reasons for investigating accident and incidents. • To outline the process for effectively investigating accidents and incidents. • To facilitate an effective investigation. Accident Investigation • Important part of any safety management system. Highlights the reasons why accidents occur and how to prevent them. • The primary purpose of accident investigations is to improve health and safety performance
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Analysis of commercial vitamin C tablets Objective To determine the vitamin C content in commercial vitamin C tablets by titration between vitamin C (ascorbic acid) & iodine solution. Hence‚ compare this data with the manufacturer ’s specification. Principle In this analysis‚ certain amount of iodine solution‚ which is known in excess‚ is added to acidified ascorbic acid solution. Brown iodine can be easily reduced by acidified ascorbic acid to form colourless iodide ion:
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Homicide Investigations Identifying Best Particles There is a decline for clearance rate of homicides reported police departments. According to homicide investigations identifying best particles by Timothy G.KEEL‚ M.S. Now law enforcement is questioning about such issue. Also the law enforcement is questioning about such issue. The law enforcement is questioning
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conduct all serious administrative investigations‚ including but not limited to officer-involved shootings‚ in-custody deaths‚ alleged constitutional violations‚ allegations of racial profiling or discriminatory policing or racial prejudice‚ dishonesty‚ drug use‚ sexual misconduct‚ cases handled for other jurisdictions‚ interagency cases‚ and cases referred directly by the agency head or command staff. Internal Affairs should also conduct all administrative investigations of allegations of misconduct that
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A carboxylic acid is an organic acid characterized by the presence of at least one carboxyl group. The general formula of a carboxylic acid is R-COOH‚ where R is some monovalent functional group. A carboxyl group (or carboxy) is a functional group consisting of a carbonyl (RR’C=O) and a hydroxyl (R-O-H)‚ which has the formula -C(=O)OH‚ usually written as -COOH or -CO2H. Carboxylic acids are Brønsted-Lowry acids because they are proton (H+) donors. They are the most common type of organic acid. Among
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