In addition to the Tourism page for Aromas, there are neighboring communities that also have Tourism pages. More information and a map of those communities can be found on our TripAdvisor Tourism Map for Aromas.
Rating Newest Oldest. Best Answer: In biochemistry, a receptor is a protein molecule, embedded in either the plasma membrane or cytoplasm of a cell, to which a mobile signaling (or signal) molecule may attach.
Cell surface receptors are receptors that are embedded in the membranes of cells. They act in cell signaling by receiving extracellular molecules. They are specialized integral membrane proteins that allow communication between the cell and the extracellular space. The extracellular molecules may be hormones, neurotransmitters, cytokines, growth factors, cell adhesion molecules, or nutrients; they react with the receptor to induce changes in the metabolism and activity of a cell. In the process