Number the following terms/conditions/events to indicate the correct order of ev

Question

Number the following terms/conditions/events to indicate the correct order of events in synaptic transmission:

_____ Ion channels open on the post-synaptic membrane.

_____ The action potential reaches the presynaptic terminal of the membrane.

_____ Neurotransmitters are released into the synaptic cleft.

_____ The depolarization causes voltage-gated calcium (Ca++) channels open.

_____ Ca++ ions cause synaptic vesicles (which contain neurotransmitters) to move to the pre-synaptic membrane.

_____ Neurotransmitters bind to receptors located on the post-synaptic membrane.

Explanation / Answer

The correct order of events in synaptic transmission: 1) the action potential reaches the presynaptic terminal of the membrane.2)the depolarization cause voltage gated calcium channels open,3)Ca++ ions cause synaptic vesicles to move to the presynaptic membrane,4)neurotransmitters are released into the synaptic cleft,5)neurotransmitters bind receptors located on the post synaptic membrane6)ion channels open on the post synaptic membrane.

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