Question

When an action potential gets to the end of an axon, it jumps to the next cell because... the membranes are so close that the surge in K+ ions, and the sudden loss of Na+ ions, between the adjoining cells causes the next cell's membrane to depolarize, re-initiating the process. the cell membranes are fused at the synapse: the action potential continues right into the next cell with, at most, only a small hiccup at the junction. the energy is electrical and jumps across the synapse, like a spark between two closely spaced, conducting objects. None of the above. the synaptic vesicles simultaneously fuse with the presynaptic and postsynaptic membranes, briefly forming a continuous membrane between them that the action potential can cross.

          When an action potential gets to the end of an axon, it jumps to the next cell because...
the membranes are so close that the surge in K+ ions, and the sudden loss of Na+ ions, between the adjoining cells causes the next cell's membrane to depolarize, re-initiating the process.
the cell membranes are fused at the synapse: the action potential continues right into the next cell with, at most, only a small hiccup at the junction.
the energy is electrical and jumps across the synapse, like a spark between two closely spaced, conducting objects.
None of the above.
the synaptic vesicles simultaneously fuse with the presynaptic and postsynaptic membranes, briefly forming a continuous membrane between them that the action potential can cross.

Added by Cody J.

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