Neurotransmitters do not always bind to receptors attached to ion channels.

Name: Neurotransmitters do not always bind to receptors attached to ion channels.
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Question

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While some neurotransmitters, such as acetylcholine and GABA, bind to receptors attached to ion channels, other neurotransmitters, such as dopamine and serotonin, bind to G protein-coupled receptors which activate second messenger cascades rather than directly altering ion flow.

Neurotransmitters Do Not Always Bind to Receptors Attached to Ion