• UNIT 1. INORGANIC CHEMISTRY
  • UNIT 2. INTERMOLECULAR FORCES, WATER, AND ACIDS AND BASES
  • UNIT 3. CARBOHYDRATES
  • UNIT 4. LIPIDS, NUCLEIC ACIDS, AND PROTEINS
  • UNIT 5. CELL MEMBRANES-STRUCTURE AND CELL FUNCTION
  • UNIT 6. PROKARYOTES AND VIRUSES
  • UNIT 7. ENERGY BALANCE
  • UNIT 8. GLYCOLYSIS AND CITRIC ACID CYCLE
  • UNIT 9. ELECTRON TRANSPORT CHAIN
  • UNIT 10. PHOTOSYSNTHESIS
  • UNIT 11. CELLULAR TRANSPORT AND CELLULAR SIGNALING
  • UNIT 12. CELL DIVISION AND CANCER
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  • Translations
  • 11.3

    Cell Signaling

    In addition to regulating substances that come in and out of cells, it is also essential for cells to communicate (signal) with each other (Intercellular signaling) as well as with organelles withing themselves (intracellular signaling). Cell signaling molecules are called ligands and ligands can interact with proteins imbedded in cell membranes called receptors. This receptor/ligand interaction can be quite complex and is usually very specific.

    Cell Signaling Pathways Receptor InteractionsG Protein-Coupled Receptor (GPCR)

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