Calcium Is Important in the Synapse Because It

question 25

Multiple Choice

Calcium is important in the synapse because it

• A) is necessary for acetylcholine synthesis.
• B) signals the exocytosis of the neurotransmitter.
• C) binds to receptors on the postsynaptic cell, opening ion channels, and triggering graded potentials.
• D) leaves the axon terminal, hyperpolarizing the cell.

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