Calmodulin/metabolism; Cell Membrane/ultrastructure; Protein Kinases/metabolism; Receptor, Insulin/metabolism; Actomyosin/metabolism; Aminoquinolines; Calcium/analysis; Cell Line; Concanavalin A/metabolism; Cytoskeletal Proteins/analysis; Fluorometry; HLA Antigens/immunology; Humans; Immunoglobulin G/metabolism; Insulin/metabolism; Lectins/metabolism; Lymphocytes/cytology; Microscopy, Fluorescence; Myosin-Light-Chain Kinase; Receptors, IgG; Receptors, Immunologic/metabolism; Receptors, Mitogen/metabolism; Sulfonamides/pharmacology; Tissue Distribution; Trifluoperazine/pharmacology; Wheat Germ Agglutinins