what extracellular ion is necessary for release of neurotransmitter for salty and sour tastes?
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If Ca2 + ions are injected into the synapse of a nerve cell, it leads to the release of vesicles, which is something that can easily be shown in electrophysiological experiments. Based on that, they say that Ca2 + influx into the nerve cell synapse is necessary and sufficient to cause release of synaptic vesicles. Explain why influx of other divalent metal ions, such as Mg2 +, cannot cause the release of synaptic vesicles.
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During normal resting condition, the levels of which positive ions are higher outside the neuron than inside?
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Which of the following ions is involved in the transmission of neurotransmitters at the synapse? K+, Na+, Ca+, Ag+
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