Multiple Choice
What is thought to significantly restrict the spread of calcium ions after they enter the nerve terminal through presynaptic calcium channels?
A) The presynaptic calcium channel
B) Calcium buffers and binding proteins (chelators)
C) The activity of potassium channels
D) Calcium binding to synaptotagmin
E) The calcium concentration gradient across the nerve terminal membrane
Correct Answer:

Verified
Correct Answer:
Verified
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