How does an action potential in the presynaptic neuron trigger a response in the postsynaptic neuron? The action potential causes the release of signaling molecules from the presynaptic neuron that bind receptors and stimulates changes in gene expression in the postsynaptic neuron The action potential "jumps" across the synapse and is continued in the postsynaptic neuron The action potential causes the release of Ca++ ions in the postsynaptic neuron, which bind to ligand-gated channels that begin an action potential in that neuron The action potential ultimately triggers the release of neurotransmitters from the pre-synaptic neuron that bind to and open ligand-gated channels in the post-synaptic neuron

Action potential refers to the fast, sudden, propagating, and transitory change in the resting…

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11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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How does an action potential in the presynaptic neuron trigger a response in the postsynaptic neuron?

		The action potential causes the release of signaling molecules from the presynaptic neuron that bind receptors and stimulates changes in gene expression in the postsynaptic neuron
		The action potential "jumps" across the synapse and is continued in the postsynaptic neuron
		The action potential causes the release of Ca⁺⁺ ions in the postsynaptic neuron, which bind to ligand-gated channels that begin an action potential in that neuron
		The action potential ultimately triggers the release of neurotransmitters from the pre-synaptic neuron that bind to and open ligand-gated channels in the post-synaptic neuron