‘Explain and discuss the relationship between power‚ authority and legitimacy.’ The aim of this essay is the one to discuss more in detail the relationship between power‚ authority and legitimacy. However‚ in order to better understand the issues and arguments which regard the three of them‚ I will give a brief description of the following and at last state the view of the great philosopher Plato. Power is what we define as the ability to force others into doing certain things even against their
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Direction and concentration gradients Bradley Benton ABSTRACT In this experiment‚ we will investigate the effect of solute concentration on osmosis. A semi‐permeable membrane (dialysis tubing) and sucrose will create an osmotic environment similar to that of a cell. Using different concentrations of sucrose (which is unable to cross the membrane) will allow us to examine the net movement of water across the membrane. INTRODUCTION A major determinant of diffusion in a biological system is membrane
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Diffusion‚ Osmosis and Active Transport Substances will move through the membrane by diffusion. This is the random spreading out of particles until they are even. For example‚ when you put your instant coffee in boiling water‚ the coffee particles spread out and fill the entire mug‚ this is diffusion. A second way that substances can move through the cell membrane is by osmosis. This is a special type of diffusion where water moves from a high to a low concentration through a ’partially permeable
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matter is made of atoms and molecules. Diffusion Diffusion‚ also called molecular diffusion‚ is the process by which molecules of a given substance move from an area of relatively high concentration to an area of lower concentration. When the molecules have diffused so that they are in a uniform concentration‚ this state is called equilibrium. This phenomenon plays a key role in many disciplines of biology‚ physics‚ and chemistry. It is closely related to the way in which cells take up nutrients
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effects of different salt concentration on the percentage of weight change in potato cubes 2) To determine the isotonic solution concentration for the potato Hypothesis: 1) If the concentration of the salt solution is higher than the concentration in the potato cubes‚ the percentage of weight change in potato cubes will be higher (positive). If the concentration of the salt solution is the same as the concentration in the cell‚ there will be no net movement of water through osmosis therefore there will
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Diffusion is the movement of solutes from high to low concentration. Osmosis is the movement of water from low to high concentration. Both refer to movement in/out of a cell‚ but osmosis refers specifically to water. 2. Isotonic‚ hypertonic‚ and hypotonic all refer to the comparison of concentrations of solutes in verses out of the cell. Isotonic is when the concentration in the cell is the same as the concentration outside of the cell. Hypertonic is when the concentration outside of the cell is greater
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Bella Nelson 11/25/12 Regents Biology 3BCD Osmosis and Plasmolysis Problem: What is the effect of Osmosis on a chicken egg? What is the effect of different solutions with various concentrations on plant cells? Hypothesis: 1. In an animal cell in a hypertonic solution the egg will swell‚ in a hypotonic solution the egg will swell. 2. In a plant cell in a hypertonic solution it will shrink‚ and in a hypotonic solution
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Diffusion is the molecular net movement from a higher concentration to a lower concentration. For instance‚ when a person is smoking‚ the smoke diffuses into the air. The molecules in the smoke‚ released from the cigarette‚ travel through the air. Here is how it occurs. When molecules are close enough‚ they collide with each other‚ their kinetic energy changes. Due to the direct relationship between diffusion and molecular kinetic energy‚ the molecules move away from the point of the collision as
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essay by M.J - copy right a) Explain the relationship between Plato’s Form of the Good and the other Forms. Plato was a dualist and so believed that human beings consisted of two parts- body and soul. This view is portrayed throughout Plato’s famous theory of the Forms of which he suggests that true substances are not physical bodies‚ but are the eternal Forms that our bodies are merely the imperfect copy. In his Theory he tells of a World of Forms representing knowledge‚ which he also names
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child‚ and enabling positive relationships to build by sharing and relating information. We also use communication whilst experiencing different things‚ such as new food‚ which allows everyone to express their ideas and extend their vocabulary. 1.2 Explain how communication affects relationships in the work setting Communication in the workplace is a system for sending and receiving messages. Communication is a process that enables us to have good relationships with parents‚ colleagues‚ and
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