Gap Junctions in Intercellular Communication

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Questions and Answers

What is the main function of gap junctions?

  • Cell occlusion
  • Cell division
  • Intercellular communication (correct)
  • Cell adhesion

What are the transmembrane proteins that make up gap junctions?

  • Connexins (correct)
  • Actins
  • Collagens
  • Histones

What is the structure that connexins form in gap junctions?

  • Fibrous networks
  • Linear chains
  • Circular patches
  • Hexameric complexes (correct)

How do connexons align between two cells?

<p>By moving laterally and aligning (D)</p> Signup and view all the answers

What is the size of the central hydrophilic pore in connexons?

<p>1.5 nm (A)</p> Signup and view all the answers

What is the primary function of gap junctions?

<p>Intercellular communication (D)</p> Signup and view all the answers

What type of protein complexes form gap junctions?

<p>Connexins (B)</p> Signup and view all the answers

What is the structure formed by connexins in gap junctions?

<p>Hexameric complexes (A)</p> Signup and view all the answers

What is the size of the central hydrophilic pore in connexons?

<p>1.5 nm (A)</p> Signup and view all the answers

How do connexons align between two cells in gap junctions?

<p>By moving laterally and aligning between cells (C)</p> Signup and view all the answers

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