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 recognition proteins allow cells to identify each other and interact. Such proteins are involved in immune response, for example. Membrane enzymes produce a variety of substances essential for cell function. Membrane receptor proteins serve as connection between the cell's internal and external environments.