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Peter, a third-generation Mexican American, goes by this name instead of his birth name (Pedro) because he does not speak Spanish and just finds it easier. He works as an architect and is married to a young woman of Korean descent who only speaks Korean with her parents. As a member of an ethnic minority whose life is no different from his White peers, Peter can be considered
Neurotransmitter
Chemical messengers that transmit signals across a chemical synapse from one neuron (nerve cell) to another 'target' neuron, muscle cell, or gland cell.
Receptor Site
A specific location on a cell membrane or within a cell where molecules such as hormones, neurotransmitters, or drugs can bind to elicit a physiological response.
Excitatory
Referring to signals or substances that increase the likelihood of a neuron firing an action potential.
Inhibitory
Referring to processes that decrease the likelihood of a neuron firing or an action being taken, often used in the context of neural pathways.
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