You Are Looking at a Chemical Substance in the Brain

question 386

Multiple Choice

You are looking at a chemical substance in the brain. You know that it is involved in synaptic transmission, but it does not seem to have any direct excitatory or inhibitory effect. Rather, it seems to intensify the effect of other neurotransmitters. Most likely, you are looking at

• A)an endorphin
• B)a cell in the central nervous system
• C)a neuromodulator
• D)a reuptake trigger
• E)glutamate

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Definitions:

Troposphere

The lowest layer of Earth's atmosphere where most of the planet's weather occurs, extending up to about 10 km above the surface.

Chemically Unreactive

Describes substances that do not easily undergo chemical reactions or change their chemical structure in the presence of other substances.

Reflectivity

The measure of the proportion of light or radiation that is reflected by a surface, often impacting climate and temperature.

Earth's Climate

The global patterns of weather and atmospheric conditions affecting the entire Earth, influenced by solar radiation, oceans, landforms, and human activity.