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Triss [41]
3 years ago
15

Calcium is important in the synapse because it

Biology
2 answers:
nydimaria [60]3 years ago
8 0

Answer:

B) signals the exocytosis of the neurotransmitter.

Explanation:

The arrival of action potential at the presynatic  neuronal membrane caused the influx of Ca+ into the presynaptic neuron, This leads to the migration  and fission of  acetycholine  neurotransmitter contained vesicles to the tips of the presynaptc neurons, and eventual emptying  into the synaptic cleft by exocytosis.

Thus it is the influx of Ca+ which stimulated the migration and emptying of the acetycholine neurotransmitters by exocytosis.

The acetycholine binded with the receptors on the post-synaptic neuron for action potential to generate in the post synaptic neuron as IPSP or EPSP

max2010maxim [7]3 years ago
6 0

Answer:

B) Signals the exocytosis of the neurotransmitter

Explanation:

Calcium ion (Ca2+) channels are critical during the process of neurotransmission; when these channels are blocked, the neurotransmission is inhibited, it happens because the receptors localized in the postsynaptic membrane are not activated

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