What is co-existence?
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when a neuron both releases and recycles a neurotransmitter within the presynaptic button; |
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the reception of more than one type of neurotransmitter by a given neuron; |
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the production or synthesis of more than one neurotransmitter by a given neuron; |
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the efflux of both calcium and sodium ions with depolarization; |
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none of the alternatives is correct; |
[Review Part 1 of the tutorial] [Review Part 2 (Matching) of the tutorial]