Biology, Eighth Edition (Raven)

Chapter 9: Cell Communication

Learning Outcomes

Chapter 9
  • Know what receptor proteins are, where they are located, and what they do.
  • Describe the four types of cell signaling.
  • Differentiate between intracellular receptors and cell surface receptors in terms of function.
  • Know the three cell surface receptor superfamilies, the basic structures of each and how each functions to convert an extracellular signal to an internal one.
  • Understand how cAMP and calcium function as second messengers and why they are necessary.
  • Explain the amplification process associated with protein kinase cascades.
  • Know what cell surface markers are, where they are located, and give examples.
  • Describe the three primary kinds of junctions that exist between cells.
  • Compare and contrast communicating junctions, gap junctions, and plasmodesmata.
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