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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Run Lola Run and Kill bill 1 – Distinctively Visual The movie Kill Bill is directed by Quentin Taratino and was released in 2003. Uma Thurman is the ‘bride’‚ a former member of the deadly viper assassination squad (DVAS). She vows to make a hit list of those who attempted to kill her on her wedding day. The movie Run Lola Run (RLR) is directed by Tom Tykwer and was released in 1998. Franka Potente plays Lola‚ who has to find 100marks in 20 minutes in order to save her boyfriends life‚ Manni. Both
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history‚ psychologists performed a myriad of experiments to understand different forms of human behavior. One well known psychologist named Stanley Milgram conducted an experiment that concentrated in understanding “destructive obedience”. Milgram’s interest in researching “destructive obedience” came from the Holocaust. “Obedience is the psychological mechanism that links individual action to political purpose”. Milgram’s experiment proposed that the murder of innocent people occurred because of
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If I were to have thirty minutes before a destructive hurricane were to hit. I would be ready for it because I would take the necessary stuff to survive it. It was a warm September weekend when I had heard from the news that a destructive hurricane was gonna will hit in thirty minutes. I was taking a morning run when I came home from receiving an alert from my phone saying that a hurricane was gonna hit. I was running at my fullest I had adrenaline running through my bloodstream which had me running
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One of the strongest leaders of all time‚ a dominant and destructive tyrant. His life was cut short by his own sidearm. The world was stunned and gratified by his death‚ but maybe he didn’t die. Adolf Hitler had a definite and prevailing impact on society. Even through his death he would forever be remembered as “The Fuhrer”. The eleven million lives he had broken would not be forgotten. It would be remembered as one of the worst holocausts of all time. The tactics he used against the enemy were
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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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Chicken Run Case Leading Strategy | Analysis/Issue | Recommendations | Audit & Investigations | The account of Cold Gold Sdn Bhd has been outstanding for a substantial period of time and its amount is relatively significant. | * To address the problem‚ delay doing transaction with Cold Gold immediately. Request for payment first to avoid the amount to be more significant. If there is a need to extend the credit before they pay the amount‚ further authorization from the credit controller
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As obesity escalates towards becoming an epidemic in modern day America‚ pressures to stay fit have become overwhelming from media and doctors. Mary Ray Worley‚ a member of the National Association to Advance Fat Acceptance (NAAFA)‚ believes that modern day society is completely intolerant of obesity so much as to say that they "would rather die or cut off a limb than be fat" (492). She has made it a priority to convince Americans to accept obesity which she fights for in her essay‚ Fat and Happy:
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