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Attention, chocolate lovers: You may not be able to help yourselves. Swiss and British scientists have linked the widespread love of chocolate to a chemical "signature" that may be programmed into our metabolic systems.
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Receptor
Receptor: In cell biology, a receptor is a structure on the surface of a cell or inside a cell that selectively receives and binds a specific substance. There are, for example, insulin receptors, low-density lipoprotein (LDL) receptors, etc. However, in neurology, a receptor is the terminal of a sensory nerve that (receives and) responds to stimuli.