2. Where along the cell does a presynaptic input (synapse) have the greatest effect on determining...

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Medical Sciences

2. Where along the cell does a presynaptic input (synapse) havethe greatest effect on determining whether a postsynaptic neuronfires an action potential or not?

3.At the resting potential, which ion is a cell most permeableto? Why is the cell most permeable to that ion?

4. Explain why an action potential normally does not flowbackwards, toward the cell body. Would it be different if youinjected Na+ into the middle of the axon? Why?

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2 There are 3 main synaptic connections Axodendritic Axosomatic Axoaxonic Axodendritic is most common and it may be excitatory or inhibitory Axosomatic is less common which is also either excitatory or    See Answer
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