Examlex
What is the third step in the unit analysis method of problem solving?
Signaling Molecule
A chemical substance, such as a hormone or neurotransmitter, that is involved in transmitting information between cells and tissues within an organism.
Receptor
A molecular structure within or on the surface of a cell that binds to specific molecules like hormones or neurotransmitters, triggering a specific cellular response.
Histamine
Substance released from mast cells that causes inflammation.
Allergic Reaction
An immune system response to a foreign substance that is not typically harmful to the body, such as pollen or certain foods.
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