The Actin Quiz
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Questions and Answers

Which of the following is NOT a function of actin in neurons?

  • Morphogenesis of dendrites
  • Retraction of axons and dendrites
  • Formation of synapses (correct)
  • Growth and guidance of neurons

    • What structures in the growth cone are rich in actin and host receptors that respond to signaling molecules?

  • Filopodia (correct)
  • Dendritic spines
  • Axonal growth cone
  • Lamellipodium

    • What drives the advancement of the growth cone in neurons?

  • Positive and negative signals
  • Polymerization of actin (correct)
  • Dendritic spines
  • Axonal growth cone

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