Cellular Signaling Quiz

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Questions and Answers

Which of the following is NOT a function of extracellular signaling molecules?

  • Produce and secrete ligands (correct)
  • Control gene expression
  • Promote growth and differentiation
  • Regulate metabolism

What are the types of molecules utilized as extracellular signaling molecules?

  • Small organic molecules and lipids
  • Peptides and proteins (correct)
  • Proteins and small organic molecules
  • Proteins and lipids

What is the main function of signaling cells?

  • Detect extracellular signaling molecules
  • Produce and secrete extracellular signaling molecules (correct)
  • Respond to extracellular signaling molecules
  • Regulate gene expression

What is the main function of target cells?

<p>Respond to extracellular signaling molecules (D)</p> Signup and view all the answers

What is juxtacrine signaling?

<p>Signaling between cells via direct contact (A)</p> Signup and view all the answers

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