Which of the Following Statements Is True of Neurotransmitters

question 88

Multiple Choice

Which of the following statements is true of neurotransmitters?

• A)Neurotransmitters have identical chemical structures that can fit into any receptor site.
• B)"Loose" neurotransmitters are held by synapses before being released into the synaptic fluid.
• C)Once released by the synaptic vesicles, all the molecules of a neurotransmitter find their way into receptor sites.
• D)"Loose" neurotransmitters are either broken down or reabsorbed by the axon terminal.

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