Protein Import and Translocation Quiz
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Questions and Answers

Which organelle is responsible for importing proteins into the endoplasmic reticulum (ER)?

  • Nucleus
  • Golgi apparatus (correct)
  • Lysosome
  • Mitochondria

    • What is the function of the Signal Recognition Particle (SRP) in protein translocation?

  • Grows as it moves the polypeptide through the translocator
  • Displaces the plug in the translocator
  • Binds to the translocator
  • Allows for co-translation translocation (correct)

    • What is the role of the translocator in protein translocation?

  • Grows as it moves the polypeptide through the translocator (correct)
  • Displaces the plug in the translocator
  • Binds to the signal peptide
  • Imports proteins into the Golgi apparatus

    • Which type of protein sits in the ER membrane in a stable and hydrophobic manner?

    <p>Transmembrane proteins</p> Signup and view all the answers

    What is the function of the Signal Recognition Particle (SRP) in protein translocation?

    <p>Allows for co-translation translocation</p> Signup and view all the answers

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