Review Questions 1.7 1. Outline four ways in which the size of a market can be measured. Growth of a business refers to the expansion in size of its operations and this can be measured in several ways‚ including: * The value of the firm’s sales turnover (also known as the sales revenue) * The firm’s market share‚ i.e. the sales revenue of the business as a percentage of the industry’s sales * The value of the firm’s capital employed * The number of employees hired by the business
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ROLE OF NEUROTRANSMITTERS IN LEARNING AND MEMORY – Martinez and Kesner (1991) Aim: determining the role of the neurotransmitter acetylcholine on memory Method: * Rats were trained to go through a maze and get to the end‚ where they received food * Researcher injected one group of rats with scopolamine (blocks acetylcholine receptor sites thus decreasing available acetylcholine) * Injected second group of rats with physostigmine (blocks the production of cholinesterase – cholinesterase
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Biology Enzymes IA Design Introduction: Enzymes are globular proteins‚ they are responsible for most of the chemical activities of a living organism. They act as catalysts‚ substances that affects the reaction of other substances without being destroyed or altered during the process. They are extremely efficient in the body system of living organisms‚ one enzyme may catalyse over a thousand chemical reactions every second. But there are certain conditions that need to be fulfilled in order for the
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Commentary on Soliloquy 1 – Shakespeare’s “Hamlet” In Shakespeare’s “Hamlet”‚ the first soliloquy spoken by the protagonist reflects the feelings of unrest plaguing this character and successfully sets up the religious framework for the remainder of the play. A soliloquy is spoken by a character that is alone on stage‚ and reveals the speaker’s thoughts and feelings towards particular events. The effect of the soliloquy is that the audience is given insight into these thoughts‚ which in turn aid
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• The equilibrium law DYNAMIC EQUILIBRIUM forward A +8 reaction ""r=====~’~ reverse reaction Most chemical reactions do not go to completion. Once some products are formed the reverse reaction can take place to reform the reactants. In a closed system the concentrations of all the reactants and products will eventually become constant. Such a system is said to be in a state of dynamic equilibrium. The forward and reverse reactions continue to occur‚ but at equilibrium
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Original Article EDITORIAL Airlines‚ Emissions and Europe’s Sensible Plan Published: February 26‚ 2012 The carbon dioxide from airplanes accounts for about 3 percent of the world’s greenhouse gas emissions‚ a share projected to go up as air traffic rises. The European Union is now requiring airlines that fly into or out of Europe to pay a fee for these emissions. This is a smart response to an urgent problem. The United States and the other nations opposing the program should either come
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grade‚ learning equivalence in fractions with unlike denominators is something that they can look forward to...or not look forward to. It can be a very tough lesson and something that is hard for the children to understand. They need to have a simple understanding of fractions already. They need to know what they are and how they add up together. Meaning that they need to understand that fractions are a part of a whole...a fraction of something‚ and that if the fractions are equal they can add up to
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Nicolette Lindberg 11/30/12 IB Biology 2‚ Period 1 Transpiration Lab Background Information- Transpiration is the loss of water from a plant. Plants transpire water out of the stomata in their leaves at a different rate in every environment. The amount of transpiration is affected by the environment‚ how developed the plant is to not lose as much water‚ the surface area of the leaves‚ and how affected the plant is by its environment (Von Bargen). For this experiment‚ the plant we used was (Viola
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used to collect different amounts of fraction. The original sample was Spirulina‚ which was spun down in a centrifuge before using. This process helps to separate the proteins from the tissues. Table 1 shows the amount of fraction collected from each sample. Based off the collected fractions‚ there is a larger quantity of yellow fraction present than the blue fraction. The yellow fraction remained in the filter for a longer period of time than the blue fraction. The yellow molecule must be small and
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How to convert decimal fractions to binary in a more attractive way We all know how to convert decimal integral numbers to binary (don’t we?) by the simple method of dividing succesively by 2 and using the remainders but what happens when we are trying to convert a decimal number which has a fractional part? First we can see that it is obvious that the integral part of a decimal number will always be represented by an integral binary (with no fractional part) while the fractional part of a
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