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MCQs

Total Questions : 107 | Page 11 of 11 pages
Question 101. Alpha-tubulin subunits terminate the plus end of the microtubule.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 102. The drug colchicine promotes microtubule _____________
  1.    disassembly
  2.    assembly
  3.    acidification
  4.    condensation
 Discuss Question
Answer: Option A. -> disassembly
Answer: (a).disassembly
Question 103. Smallest microtubular motor proteins are __________________
  1.    dyeneins
  2.    niacin
  3.    thiamine
  4.    kinesin
 Discuss Question
Answer: Option D. -> kinesin
Answer: (d).kinesin
Question 104. Movement of materials in an axon are mediated through ________________ that serve as cytoskeletal tracks.
  1.    microtubules
  2.    actin filaments
  3.    microfilaments
  4.    intermediate filaments
 Discuss Question
Answer: Option A. -> microtubules
Answer: (a).microtubules
Question 105. Which motor protein superfamily does not move along the microtubules?
  1.    Dynein
  2.    Kinesin
  3.    Myosin
  4.    Calmodulin
 Discuss Question
Answer: Option C. -> Myosin
Answer: (c).Myosin
Question 106. Kinesins are plus end-directed microtubular proteins.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 107. In an axon, microtubules are oriented with their __________________ facing the cell body.
  1.    plus end
  2.    minus end
  3.    vertical axis
  4.    periphery
 Discuss Question
Answer: Option B. -> minus end
Answer: (b).minus end

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