The formation of an action potential can be divided into five steps. (1) A stimulus from a sensory cell or another neuron causes the target cell to depolarize toward the threshold potential. (2) If the threshold of excitation is reached‚ all Na+ channels open and the membrane depolarizes. (3) At the peak action potential‚ K+ channels open and K+ begins to leave the cell. At the same time‚ Na+ channels close. (4) The membrane becomes hyperpolarized as K+ ions continue to leave the cell. The
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Redox potential – CV Acetonitrile Adjusted sensitivity Each ;line represents diff scan rates all been overlayed on one digarm Scan rates ranged from 0 .1 s-1 to 1 Peak due to iodide oxidation is read from +peak to – peak bottom line. Iodide to triiodide Glycol Didn’t work Using equation ip = 2.69 ×105 n3/2 A D1/2 C ν1/2 compare to linear equation y = mx+c y = peak current x = V1/2 c = zero Therefore m is = everything else C = concentration 0.05 M ethylene glycol (acetonitrile
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understandable by its intended recipient. Otherwise the communication is wasted and a business could suffer. The best channels than can be used to have an efficient and effective business in this case are face-to-face communication‚ teleconferencing and written communication. Firstly‚ face-to-face communication can enhance effectiveness of meetings. When there’s an issue that requires a decision‚ you’re able to reach a consensus more quickly. Also‚ when there are many people in a meeting‚ there’s
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THE WORK DONE BY A CONSERVATIVE FORCE ALWAYS HAS FOUR PROPERTIES: 1. It can be expressed as the difference between the initial and final values of a potential-energy function. 3. It is independent of the path of the body and depends only on the starting and ending points. 2. It is reversible. 4. When the starting and ending points are the same‚ the total work is zero. The total mechanical energy ME = K + U is constant. Object moving in a uniform gravitational field gravitational a
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which cell has the larger resting membrane potential? Explain. If the permeability to K is higher in A than in B‚ then the resting membrane potential (rmp) will be closer to the equilibrium potential in cell A‚ which means the rmp will be more negative in cell A than in cell B; or in other words‚ the potential difference will be LARGER in cell A. 2. Predict the effect of a reduced extracellular concentration of Na+ on the magnitude of the action potential in an electrically excitable cell. If there
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One of the major hazards that many communities have dealt with in the recent past is flooding. The Memphis metropolitan area is no different. In fact‚ The Memphis metro area dealt with severe flooding as recently as 2011. With this being said‚ the overall goal of mitigation is an important factor in the preparation and response to disasters such as these. That goal being‚ to create economically secure‚ socially stable‚ better built‚ and more environmentally sound communities that are out of harm’s
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Potential Energy • Definition and Mathematics of Work • Calculating the Amount of Work Done by Forces • Potential Energy • Kinetic Energy • Mechanical Energy • Power An object can store energy as the result of its position. For example‚ the heavy ball of a demolition machine is storing energy when it is held at an elevated position. This stored energy of position is referred to as potential energy. Similarly‚ a drawn bow is able to store energy as the result of its position. When assuming
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UNIVERSITY ENTRANCE EXAMINATION PHYSICS Duration : 2 hours Please read the following instructions carefully. 1. This paper is made up of 50 Multiple-Choice questions and comprises ELEVEN (11) printed pages. 2. Do not write on the question paper. 3. Answer all questions and indicate your answers on the answer sheet provided. Marks will not be deducted for wrong answers. 4. Do not take any paper‚ including the question paper or unused answer sheets‚ out of the examination
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vocational class‚ they are certified! Metro Tech High School has a variety of programs to choose from nursing‚ banking finance‚ engineering‚ to a variety of programs. There are some that take two years to finish and there are some that take a year. How amazing would it be to be in high school while getting certified? Then‚ once they’re finished with school‚ they get to get a job in what they study for or continue to go to school and already have experience in it. Metro Tech High School is a great high
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INTRODUCTION 4 PROCUREMENT AT METRO CASH AND CARRY 5 Product’s Need Identification 5 Searching For Reliable Sources/Suppliers 5 Negotiation 5 Ordering the Inventory 6 Receiving 6 GOODS RECEIVING PROCEDURE 6 IMPORTANT DOCUMENTATIONS 7 DISTRIBUTION OF GR NUMBERS 8 SAMPLE OF GR NUMBER 8 LOGISTICS: 9 SERVICE AND QUALITY 10 Conditions for Goods Acceptance 11 Temperature control 11 Delivery checks 11 GOODS RECEIVING AREA 11 FLOW OF GOODS AT METRO CASH AND CARRY 12 Deliveries
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