After Synthesis, Neurotransmitters Are Stored in Protective Vesicles

question 33

Multiple Choice

After synthesis, neurotransmitters are stored in protective vesicles. What facilitates the release of neurotransmitters from these vesicles?

• A) Ca²⁺ permeabilizes the vesicles.
• B) Ca²⁺ causes the vesicles to fuse with the membrane.
• C) Na⁺ permeabilizes the vesicles.
• D) Na⁺ causes the vesicles to fuse with the membrane.

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