The GATE Grind

GATE 2025 BT – Question 51

Genetics, Cellular and Molecular Biology · Cell Biology: Eukaryotic cell structure, cell cycle and growth control, cell-cell communication, signalling and signal transduction · 2 marks · Multiple select

Which of the following proteins is/are involved in intraflagellar transport?

  1. Microtubules
  2. Myosin
  3. Actin
  4. Kinesin

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Correct answer: (A) Microtubules; (D) Kinesin

Explanation

Intraflagellar transport moves cargo along the microtubules of the axoneme, driven by kinesin-2 towards the tip and by dynein back to the base. Myosin and actin are not involved.