Chemical Substances Released from the Presynaptic Terminal

question 56

Multiple Choice

Chemical substances released from the presynaptic terminal

• A) bind to receptors on the postsynaptic membrane.
• B) may inhibit or stimulate an action potential in the postsynaptic membrane depending on the receptors.
• C) are normally broken down by enzymes located in the synapse.
• D) are called neurotransmitters.
• E) have all of these properties.

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