Board composition The board of directors plays a central role in the corporate governance mechanism. The board is responsible for directing and controlling the business and is accountable to shareholders for its performance. High profile failures such as Enron have underlined the dangers of an ineffective group of non-executive directors and the severe problems that can arise when their independence is compromised through conflict of interest. The cadbury recommendations had substantial impact on
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Blood Composition. The following are components of blood - red blood cells‚ white blood cells‚ platelets and plasma (the liquid component). Red blood cells are the pinky white circles‚ the white blood cells are the big red blobs. Red blood cells do not have a nucleus because they do not divide and multiply Red blood cells are bi-concave‚ they are donut shaped. Red blood cells contain a pigment called haemoglobin which can react with oxygen to form the unstable compound‚ oxy-haemoglobin. Hb+4O2
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Grade 10 Science –Chemistry Ionic Compounds Science Perspectives 10 - Section 5.6 Pages 192-195 Compound • A Pure Substance composed of two or more elements in a FIXED RATIO Ionic Compound • A compound made up of one or more positive metal ions (cations) and one or more negative non-metal ions (anions) Ionic Bond • The simultaneous strong attraction of positive and negative ions in an ionic compound. As noted‚ ionic bonding occurs between metals and non-metals. Yet‚ “why
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Ionic compounds are formed when a metal and a non-metal join together. When sodium metal is dropped into a gas jar of chlorine gas the elements react violently to form a new compound called sodium chloride joined by ionic bonds. To understand how this process works‚ we must grasp an understanding of what an ion is and what an ionic bond is. An ion is an atom that has an electric charge and is created when an atom (or a group) gain or loses electrons. (It has an electric charge due to the imbalance
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COMPLEXOMETRIC TITRATION LIGANDS: Metal ion ( analyte ; cation) Metal ion indicators Chilon Complexing agent pM indicators ( Chelating agent L igand/Sequestering agent) Chelate Complex ion Metal co -ordination compound /Metal complex/Chelate compound Ligands or complexing or chelating agents are electron donating entity‚ which has the ability to bind to the metal ion and produce a complex ion. The molecules or ions which displace the solvent molecules are
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Body Composition Body composition is the proportion of fat‚ muscle‚ and bone in the body. There are many methods to know someone’s body composition and body fat percentage such as measurement with calipers‚ underwater body‚ fat test‚ the bodpod‚ DEXA scan and bioelectrical impedance analysis. (Kravitz‚ Len‚ Ph.D. & H. Heyward‚ Vivian‚ Ph.D.). The calipers method involves measuring the skinfold thickness of the layer of fat just under the skin in several parts of the body with calipers. The
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There are different types of Compound Interest. Interest is the amount of money earned in a saving account. * Simple Interest: Interest calculated once on the principal. * Compound Interest: Interest calculated for a given segment of time of the investment. For example‚ compounded monthly‚ means the interest is calculated each month and combined with the principal. So‚ for the next month‚ interest is earned on the interest. Continuously Compound Interest Formula P: ending
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share price is $ 32. 5. Calculating Average Returns ( LO1‚ CFA1) The rate of return on Cherry Jalopies‚ Inc.‚ stock over the last fi ve years was 17 percent‚ 11 percent‚ 2 percent‚ 3 percent‚ and 14 percent. Over the same period‚ the return on Straw Construction Company’s stock was 16 percent‚ 18 percent‚ 6 percent‚ 1 percent‚ and 22 percent. What was the arithmetic average return on each stock over this period? 6. Calculating Variability ( LO4‚ CFA2) Using the information from the previous
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Tetrapyrrole compounds: chlorophyll and heme groups By Erwin Lim 1. Tetrapyrrole compounds A tetrapyrrole compound is a chemical group that consists of four pyrroles that are joined together by covalent bonds‚ forming a porphyrin ring. They are naturally occurring pigments‚ which are used in many biological processes (Berg‚ 2009). The basic structure of a tetrapyrrole is as seen in Figure 1‚ while the basic structure of a pyrrole is as seen in Figure 2. Figure 1.Tetrapyrrole Compound (Berg‚ 2009)
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TYPES OF COMPOUNDS Endocentric: AB = B A= modifier B= head Take a look at the following example toothpaste Is it a type of tooth? or; Is it a type of paste? Definition of toothpaste from www.macmillandictionary.com soft thick subtance (paste) that you put on a toothbrush to clean your teeth Tooth is the modifier (A) of the head (B) paste. AB=B toothpaste = a type of paste for brushing teeth In most cases the head is the rightmost component of the compound. English N-N Compounds *
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