Animals * Animals * Multicellular * Heterotrophic * Eukaryotic * Develop from embryonic layers * Nutritional mode * Eat/ingest other living things or non living things * Ingest food and use enzymes in the body to digest it * Cell Structure and Specialization * Eukaryotic and multicellular * Lack cell walls but held together by collagen * Muscle and nerve cells (only in animals) * Helps to move and conduct nerve
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FE 315 INSTRUMENTAL ANALYSIS High Performance Liquid Chromatography (HPLC) Instructor: Dr. Hüseyin BOZKURT High Performance Liquid Chromatography (HPLC) is one mode of chromatography‚ the most widely used analytical technique. Chromatographic processes can be defined as separation techniques involving mass-transfer between stationary and mobile phases. Present day liquid chromatography that generally utilizes very small packing particles and a relatively high pressure is referred to as high
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kidney is higher than the right kidney due to the position of the liver. Filters waste products of metabolism that collect in the blood. They remove waste from the blood to form urine. The kidneys maintain balance between retention and excretion of fluids ( play key role in fluid and electrolyte balance). The normal adult urine output is 1200 to 1500 ml/ day. An output less than 30 ml/hr indicates possible circulatory‚ blood volume or renal alterations. Erythropoietin functions within the bone marrow
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BIOLOGY HSC NOTES MAINTAINING A BALANCE • Identify the role of enzymes in metabolism‚ describe their chemical composition and use a simple model to describe their specificity on substrates. Enzymes are protein molecules that allow the body to engage in chemical reactions‚ such as metabolism. There activities can be catalytic (being able to control the rate of either increasing/decreasing chemical reaction) Enzymes have a specific shape‚ and this shape must be intact‚ otherwise the effectiveness
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JOURNAL OF FINANCIAL AND QUANTITATIVE ANALYSIS doi:10.1017/S0022109011000226 Vol. 46‚ No. 4‚ Aug. 2011‚ pp. 943–966 COPYRIGHT 2011‚ MICHAEL G. FOSTER SCHOOL OF BUSINESS‚ UNIVERSITY OF WASHINGTON‚ SEATTLE‚ WA 98195 Governance Problems in Closely Held Corporations Venky Nagar‚ Kathy Petroni‚ and Daniel Wolfenzon ∗ Abstract A major governance problem in closely held corporations is the majority shareholders’ expropriation of minority shareholders. As a solution‚ legal and finance research
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1°‚2° and 3° alcohols to examine this relationship. Each of the three isomers of butanol will be mixed with concentrated hydrochloric acid. The presence of an alkyl halide product is indicated by cloudiness of the mixture‚ as the halides are only slightly soluble in water. This test indicates that a halogenation reaction has taken place. Each alcohol is also separately mixed with dilute potassium permanganate solution‚ which
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* 20mL of concentrated sulfuric acid * 20mL of 2mol/L sulfuric acid * 2 small pieces of each of copper‚ zinc and iron * Sandpaper * 10 test tubes * Test tube rack * 2g of sugar crystals (sucrose) * 2 wooden ice-cream sticks * 10mL measuring cylinders Steps: A: Sulfuric acid as an oxidising agent 1. Clean pieces of metal with sandpaper to remove oxide coating. 2. Add a piece of each metal to a separate test tube. 3. Add 5mL of concentrated sulfuric acid
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water is traveling from a higher concentrated area to a lower concentrated area. Hydrostatic pressure occurs when the bag reaches maximum capacity. Water will enter the bag through osmosis but get pushed out through hydrostatic pressure. This works in a cycle and prevents the bag from obtaining more volume and mass. 1b. The curves for the 40% and 20% sucrose differ in the rate of osmosis because of their concentration levels. Since the 40% solution is more concentrated than the 20% solution‚ rate
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FOUNDATION IN SCIENCE INTRODUCTION TO PRACTICAL ORGANIC CHEMISTRY – MAKING AND PURIFYING ORGANIC COMPOUNDS Stage 1 – Deciding how much reagent to use Most organic reactions do not go to completion; most reach an equilibrium position with significant quantities of reactants still remaining. In addition‚ separating the desired product from the rest of the reaction mixture‚ and then purifying it‚ will result in the loss of more of the product. The amount of product obtained expressed as a percentage
Free Distillation Sulfuric acid Acetic acid
Abstract This laboratory involved utilizing equipment to dilute a sugar water solution. It also created solutions containing varying levels of concentrations and densities. Equations were used to figure the molecular weight of the sugar‚ and the number of moles of sugar in the volumetric flask. There was also an equation to figure the Molarity‚ as well. As a result of the experiment‚ I now have a better understanding of the density of a concentration‚ and what Molarity is . Observations Data
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