Other nitrogen containing compounds Catecholamine: Dopamine‚ norepinephrine (noradrenaline) and epinephrine (adrenaline) are biologically active amines and are collectively called as Catecholamine. * Dopamine and norepinephrine functions as neurotransmitters. Outside the nervous system‚ norepinephrine and its methylated derivative‚ epinephrine regulates carbohydrate and lipid metabolism. They are released from storage vehicles in the adrenal medulla in response to stress (fright‚ exercise‚ cold
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Empirical Formula of a Compound * Purpose: To determine the empirical formula of Magnesium Chloride. * Data 1. Mass of evaporating dish = 45.08g 2. Mass of evaporating dish and Magnesium = 45.17g 3. Mass of Magnesium: { 2 } – { 1 } = 0.09 4. Mass of evaporating dish and Magnesium Chloride First weighing = 45.48g (After heating and cooling) second weighing = 45.49g 5. Mass of Magnesium Chloride: { 4} – { 1 } = 0.41g
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Mr. Brown all your tests look ok. Your triglycerides are at 145‚ cholesterol 210‚ hdl 33‚ and ldl 160. Triglycerides are chemical compounds digested by the body to provide it with the energy for metabolism. Triglycerides are the most common form of fat in the body. They are the main ingredient in vegetable oils and animal fats. Cholesterol is a soft‚ waxy substance found in all of your body’s cells. Your body needs cholesterol in order to work properly. This is because your body uses it to hold
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Name________________________________ UDC – Quantitative Reasoning I EXAMINATION 3 – Personal Finance – Exponential Functions Fall - 2012 Instructions: This exam is worth 100 points. Read each question carefully. Answer each question clearly and concisely. Please‚ show All of Your Work. Remember‚ I do not believe in magic!!! A) B) Answer C) D) 1. What is the simple interest for a principal of $620 invested at a rate of 7% for 3 years? $173.60 $130.20 $172.60 $129.20 A) B) C) Answer D) E)
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Compounds First to define the word‚ compounds are pure substances made up of atoms of two or more elements chemically combined together in fixed ratios determined by mass. When a compound is formed from its components‚ a chemical change takes place through chemical reactions. Elements form compounds to become more stable‚ which happens when the maximum number of possible electrons are in the outermost energy level. Carbohydrates: A carbohydrate is one of the elements of the 5 major compounds
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How is it that 4 out of the 118 elements comprise over 96% of all living organisms? It is due to their reactive nature and ability to form bonds. One might ask why or how they are so reactive with other elements. Just as anything else in the universe seeks stability‚ so do atoms. Each of these 4 atoms seeks stability through their electrons. For example‚ hydrogen has 1 electron in its valance shell and it has the ability to fill that shell with up to 2 electrons thus it seeks another atom that
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Scandium is a chemical element with symbol Sc and atomic number 21. A silvery-white metallic transition metal‚ it has historically been sometimes classified as a rare earth element‚ together with yttrium and the lanthanoids. It was discovered in 1879 by spectral analysis of the minerals euxenite and gadolinite from Scandinavia. Scandium is present in most of the deposits of rare earth and uranium compounds‚ but it is extracted from these ores in only a few mines worldwide. Because of the low availability
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### ### Strayer University Legal 300‚ Tort Law Professor Lindsey Appiah By: Trenise S. Palmer The alternative liability theory is most often used when two or more tortfeasors simultaneously commit independent acts of negligence‚ but only one act causes the injury‚ the plaintiff is then relieved from the burden of proof with respect to causation‚ and may sue both tortfeasors without direct proof of causation. However‚ the burden thus shifts to the
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My element is Mercury‚the atomic number is 80 and the atomic mass is 200.59.The symbol is Hg.Mercury comes from the greek name hydrargyrum which means liquid silver.The element is also known as quicksilver for its mobility. Named after the fastest-moving planet in the solar system‚ mercury has been known to humanity for ages.despite its toxic qualities‚ mercury can still be useful to us. The element conducts electricity and is used in electrical switches of thermostats and certain types of doze alarm-type
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The Element: Chlorine General Information We researched the chemical element known as chlorine. Chlorine has an atomic number of 17 and an atomic weight of 35.453. It has a valence number of 3. The element has 3 energy levels. Chlorine exists as a greenish-yellow gas at normal temperatures and pressures. Chlorine is second in reactivity only to fluorine among the halogen elements. Chlorine is a nonmetal. It is estimated that 0.045% of the earth’s crust and 1.9% of sea water are chlorine.
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