What is a specialized structure associated with the peripheral end of a sensory neuron specific to detecting a particular sensation and triggering a nerve impulse in response?
What is a specialized structure associated with the peripheral end of a sensory neuron specific to detecting a particular sensation and triggering a nerve impulse in response?
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26. When it comes to ligand-gated ion channels located in a postsynaptic neuron's membrane, why are they so important with respect to how synapses pass along information?
| These channels allow specific neurotransmitters originating in the presynaptic neuron exert effects on the postsynaptic neuron. | ||
| These channels are located specifically in the dendrites but not another part of the neuron, such as the axon. | ||
| These channels open when a given amount of electrical signal in generated in the cell's membrane. | ||
| These channels allow the neurotransmitter to enter and travel within the postsynaptic neuron. |
25. When the receptor of a sensory neuron is activated and a nerve impulse is generated, the first step in the overall process would be ____________________________.
| the potassium channels to open | ||
| the hyperpolarization of the membrane | ||
| the repolarization of the membrane | ||
| the depolarization of the membrane |
