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.
The largest family of cell surface receptors are the G-protein coupled receptors (GPCRs). There are hundreds of different GPCR proteins, and they are the targets of many drugs. A diverse set of ligands bind to this type of receptor, including peptide hormones, neurotransmitters, and odor molecules.