What Is a Nanodomain of Presynaptic Calcium Ions

question 54

Multiple Choice

What is a nanodomain of presynaptic calcium ions?

• A) The intracellular calcium ions that fill the presynaptic nerve terminal
• B) The intracellular calcium ions that are pumped out of the presynaptic nerve terminal
• C) The intracellular calcium ions that diffuse into the synaptic cleft
• D) The collected intracellular calcium ions that form around the mouth of a collection of open calcium channels
• E) The collected intracellular calcium ions that form around the mouth of a single open calcium channel

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