RESTING POTENTIAL Resting potential is the membrane potential when a neuron is not conducting any electrical impulse or signal. The resting potential is around -75 mV. During resting potential‚ the inside of the axon is negative GRADED POTENTIAL ACTION POTENTIAL Action potential is a fleeting reversal of the membrane potential‚ caused by changes in permeability of the plasma membrane of neuron to potassium and sodium ions causing an electrical impulse to be transmitted along the axon.
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Act 1 Study Guide 1. What do the witches in Scene 1 inform the readers? 2. In Scene 2‚ what does Duncan order Ross to do? 3. In Scene 3‚ why does Shakespeare most likely have the witches speak in rhyme instead of blank verse? 4. How does Macbeth show his ambition and curiosity about becoming king in Scene 3? 5. Duncan says to Macbeth‚ “Would thou hadst less deserved‚” in Scene 4‚ line 18. What does he mean by this? 6. How does Lady Macbeth know that Duncan is coming to
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1. a. The action potential changes the membrane potential from -70 mV (resting) to +30 mV and back again to the resting membrane potential. b. This results from a change in membrane permeability first to Na then to K due to the opening of what type of ion channels? Voltage gated channels 2. a. Where is the density of voltage-gated Na+ channels the greatest? Axon hillock b. What areas of the neuron generate signals that open these voltage-gated channels? Dendrites and the cell body c. Opening
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neuron. Axon hillock‚ action potential The area where the axon emerges from the soma (cell body) is called the ___ ___. This is also where the outgoing signal‚ called a/an ___ ___ is generated. Collaterals‚ terminals An axon can branch‚ forming many axon ___. At the end‚ axons branch to form many axon ___. Schwann cells What support cell forms the myelin sheath? Integral proteins What structures in the cell membrane function as ion channels? 1) Charge 2) Size 3) How much
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and some believe that the wording from God was his validation that he was pleased. Slavery‚ employment at will‚ and affirmative action has always been a debate that linked to race‚ cultures‚ politics‚ social statuses‚ religions‚ and the constitution. We could not have a clear discussion about affirmative action without addressing slavery. Slavery is a topic‚ many refused to discuss‚ and a topic most are not educated on. We could also not have a clear discussion about injustice in the work environment
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Christopher’s actions when acting on impulse drives the plot of the story majorly. The first place we see Christopher’s actions drive the plot is when Christopher finds Wellington the poodle belonging to Mrs. Shears‚ his neighbor‚ dead on Mrs. Shear’s lawn with a garden fork through its side. Christopher touches the dog’s muzzle and observes that it is still warm. Automatically‚ he wonders who killed Wellington‚ and why. Acting on impulse‚ Christopher removed the garden fork and picked up Wellington
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Presidents and Affirmative Action In 1965‚ President Lyndon B. Johnson issued Executive Order #11246 at Howard University that required federal contractors to undertake affirmative action to increase the number of minorities that they employ. He wanted to ensure that minorities were recruited to have real opportunities to be hired and then eventually get a promotion. In 1969‚ the Department of Labor exposed widespread racial discrimination of the Construction Department so President Richard M
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If I get an opportunity to replace myself with any one in the world then I would like to replace myself with Mr. Bush‚ the president of America. Mr. Bush is responsible for portraying negative image of America as an enemy of humanity by doing wars against Muslims only on the basis of religious discrimination. Mr. Bush is the murderer of nearly one hundred thousand innocent citizens of Afghanistan and Iraq while trying to fight against only two persons Usama Bin Laden and Saddam Hussein on one side
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were to be an animal‚ I would be an African Lion. The African Lion is an animal that describes my strengths and attributes perfectly and has characteristics that I would love to call my own. The African Lion has been called “the King of Beasts” for centuries‚ due to its majestic appearance and the fact that it is at the top of the food chain. I too would like the respect the African Lion receives and the title that it has been given. If I were an African Lion I would be able to bake in the African
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?What could have happened before? Plenty of years before the actual Jack visited the hotel‚ someone had already been there. The funny thing is that it’s someone who looks like him. Anybody could swear it’s him. But how is it possible? More than 40 years had passed and the man in the picture (who looks like he’s in his mid-forties) was still alive and all‚ visiting the hotel (again)? Some old people living in the town‚ who were relatively close to the hotel owners‚ say that nobody really knew the
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