13. Two action potentials are represented below. The solid line is an intracellular recording from a motor neuron (neuro

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13 Two Action Potentials Are Represented Below The Solid Line Is An Intracellular Recording From A Motor Neuron Neuro 1 (24.38 KiB) Viewed 67 times

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13 Two Action Potentials Are Represented Below The Solid Line Is An Intracellular Recording From A Motor Neuron Neuro 5 (21.85 KiB) Viewed 67 times

13. Two action potentials are represented below. The solid line is an intracellular recording from a motor neuron (neuron A) in the spinal cord of a frog. The broken line is a recording from a sensory neuron (neuron B) in the same animal. -40 . 20 +10 0 -10 -20 Potential Difference (MV) -30 -0 -SO -60 -70 -NO -90 -100 -1102 Neure -Neuron 0 Time (ms) Answer the following questions with reference to the graph above: 3) What type of polarization is occurring at approximately time-2.3 for neuron B? 111

Answer the following questions with reference to the graph above: a) What type of polarization is occurring at approximately time=2.3 for neuron B? [1] b) At time=0, which ion(s) has/have the most influence on the membrane potential and what is happening with these ions? [ [11] c) What is causing the change in polarization of neuron B between time and time=1? [2] d) Compare the inward and outward current of sodium and potassium at the peak for neuron B. [2]

13. Two action potentials are represented below. The solid line is an intracellular recording from a motor neuron (neuron A) in the spinal cord of a frog. The broken line is a recording from a sensory neuron (neuron B) in the same animal. -40 . 20 +10 0 -10 -20 Potential Difference (MV) -30 -0 -SO -60 -70 -NO -90 -100 -1102 Neure -Neuron 0 Time (ms) Answer the following questions with reference to the graph above: 3) What type of polarization is occurring at approximately time-2.3 for neuron B? 111

Answer the following questions with reference to the graph above: a) What type of polarization is occurring at approximately time-2.3 for neuron B? (11) b) At timeo, which ion() has/have the most influence on the membrane potential and what is happening with these ions? [11 c) What is causing the change in polarization of neuron between time and time-1? [2] d) Compare the inward and outward current of sodium and potassium at the peak for neuron [2]