The action potential is slower in myelinated neurons, because it has to travel the entire length of the axon rather than being able to jump from one node of Ranvier to the next.
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Q263: The action potential is the brief electrical
Q264: An action potential is produced by the
Q265: An excitatory message communicated to a postsynapticneuron
Q266: Acetylcholine is found in all motor neurons.
Q267: The neurotransmitter called acetylcholine plays a key
Q269: About 12 to 15 seconds elapse during
Q270: The myelin sheath covering an axon insulates
Q271: When a neuron is in the resting
Q272: The all-or-none law refers to a neuron's
Q273: The synaptic vesicles are tiny pouches that
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