A graded potential in physiology‚ is described as local changes in membrane potential that occur in varying grades or degrees of magnitude or strength. When compared to graded potential‚ an action potential is described as brief‚ rapid‚ large (100mV) changes in membrane potential during which the potential actually reverses so that the inside of the excitable cell transiently becomes more positive than the outside. As with a graded potential‚ an action potential involves only a small portion of
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Assignment#1: To Build or to Buy by Professor; Business 402-Small Business Management 01/29/2013 Assignment # 1: To Build or Buy Craft a brief strategy for a business concept that would directly compete with the small business you selected. Explain the rationale for the strategy in detail. The Business strategy which I would use would be to purchase an existing Bagel and Tea shop located in the heart of Rockville
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Case Study 2 Adapting Store Size to the Type of Location Submitted By : Marie Jo Aguzar 87/100 Under what conditions should a large box store retailer like a Best Buy Pursue a smallstore strategy? As U.S. chain retailers absorb the lessons of the great recession‚ many bigbox chains have started to shrink average store footprints to reflect the growing importance of multichannel shopping‚ adapt to urban settings and recognize the need to optimize investment. I suspect you got th
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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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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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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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airplane with your parachute open | | | while falling from a roof | | | while traveling through space in an accelerating rocket | | | none of the above | | | | | | Question 5 | 1.61 points | Save | | Which of the following best describes the origin of ocean tides on Earth? | | | | | | | | The Moon’s gravity pulls harder on water than on land‚ because water is less dense than rock. | | | Tides are caused by the 23 1/2° tilt of the earth’s rotational axis to the
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There are several factors to consider when deciding whether to rent or buy a home. In our case study‚ Beth and Jon Linton are considering the critical decision of buying or renting at Stedman Place in Newton‚ which is a western suburb of Boston‚ Massachusetts. The timing of this decision is important‚ as the decision is being made in July of 2006‚ before the housing market downturn. The case gives insight into the couple’s decision-making process‚ and the pros and cons of buying versus renting are
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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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