Microtubule Motor Proteins Quiz
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Questions and Answers

Which family of motor proteins moves towards the plus end of a microtubule?

  • Myosins
  • Dyneins
  • Kinesins (correct)
  • Actins
  • What is the energy source used by motor proteins for traveling along microtubules?

  • ADP phosphorylation
  • NADH oxidation
  • ATP hydrolysis (correct)
  • GTP hydrolysis
  • How many globular ATP-binding heads do motor protein dimers have?

  • Two (correct)
  • Four
  • Three
  • One
  • What part of the motor protein binds to the cargo for transportation along the microtubule?

    <p>Tail domain</p> Signup and view all the answers

    During movement of kinesin, what happens when the rear head hydrolyzes ATP?

    <p>Its association with the microtubule weakens</p> Signup and view all the answers

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