What Is the Correct Sequence at a Synapse

question 67

Multiple Choice

What is the correct sequence at a synapse

• A)neurotransmitter diffuses across cleft; calcium induces exocytosis of neurotransmitter; permeability of postsynaptic membrane is altered; neurotransmitter binds to receptor on chemically gated channel; ion channels open
• B)neurotransmitter diffuses across cleft; ion channels open; permeability of postsynaptic membrane is altered; calcium induces exocytosis of neurotransmitter; neurotransmitter binds to receptor on chemically gated channel
• C)calcium induces exocytosis of neurotransmitter; neurotransmitter diffuses across cleft; neurotransmitter binds to receptor on chemically gated channel; ion channels open; permeability of postsynaptic membrane is altered
• D)permeability of postsynaptic membrane is altered; neurotransmitter diffuses across cleft; ion channels open; neurotransmitter binds to receptor on chemically gated channel; calcium induces exocytosis of neurotransmitter

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