Cell Connections and Communication in Biology

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Questions and Answers

Which type of cell-cell connection is especially important in epithelial tissues?

  • Proteins and fibers
  • Cell-cell attachments (correct)
  • Multicellularity
  • Direct physical connections

What is the basis of multicellularity in organisms?

  • Proteins and fibers
  • Direct physical connections between cells (correct)
  • Multicellular organisms
  • Cell-cell attachments

What are the three major types of cell-cell connections?

  • Epithelial, multicellular, and tissues
  • Proteins, fibers, and cells
  • Direct, physical, and connections
  • Cell-cell attachments, proteins, and fibers (correct)

What are ligands, receptors, signaling proteins, and effector proteins involved in?

<p>Transmitting information from the outside of the cell to the inside (A)</p> Signup and view all the answers

What is the role of second messengers in cell signaling?

<p>Amplifying and transmitting the signal inside the cell (D)</p> Signup and view all the answers

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