6. During repolarization, which channels are which channels are becoming inactive, and which are opening?___________________________________ ; ___________________________________.7. What pumps are responsible for restoring the concentration gradients of Na+ and K+ so that the neuron can once again generate an action potential? _______________________________________________8. Two kinds of conduction of an action potential (nerve impulse) are possible---continuous and saltatory. One form involves myelin sheaths and nodes of Ranvier, and is a faster conduction of the signal. Which type of conduction is this?___________________________________.9. What two factors determine how quickly an action potential will travel?___________________________________, ___________________________________.10. Neuron A sends an action potential to Neuron B. Which neuron (A or B) is the postsynaptic cell?___________________________________.11. Neuron B now sends the action potential on to Neuron C. Which neuron (B or C) is the presynaptic cell?___________________________________.
6. During repolarization, which channels are which channels are becoming inactive, and which are opening?
___________________________________ ; ___________________________________.
7. What pumps are responsible for restoring the concentration gradients of Na+ and K+ so that the neuron can once again generate an action potential? _______________________________________________
8. Two kinds of conduction of an action potential (nerve impulse) are possible---continuous and saltatory. One form involves myelin sheaths and nodes of Ranvier, and is a faster conduction of the signal. Which type of conduction is this?
___________________________________.
9. What two factors determine how quickly an action potential will travel?
___________________________________, ___________________________________.
10. Neuron A sends an action potential to Neuron B. Which neuron (A or B) is the postsynaptic cell?
___________________________________.
11. Neuron B now sends the action potential on to Neuron C. Which neuron (B or C) is the presynaptic cell?
___________________________________.
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