Vesicles Containing Neurotransmitters Are Released into the Synaptic Cleft When

question 47

Multiple Choice

Vesicles containing neurotransmitters are released into the synaptic cleft when levels of which of these ions rise within the axon terminal?

• A) Ca²⁺
• B) Na⁺
• C) H⁺
• D) Cl^-

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