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MCQs

Total Questions : 107 | Page 5 of 11 pages
Question 41. Which protein moves towards the minus end of the microtubule track?
  1.    Nac
  2.    ARF
  3.    Sar1
  4.    Ncd
 Discuss Question
Answer: Option D. -> Ncd
Answer: (d).Ncd
Question 42. How many cytoplasmic dyneins are present in eukaryotic cells?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option B. -> 2
Answer: (b).2
Question 43. Which of the following family of kinesins is incapable of movement along the microtubules?
  1.    kinesin-1
  2.    kinesin-3
  3.    kinesin-13
  4.    kinesin-14
 Discuss Question
Answer: Option C. -> kinesin-13
Answer: (c).kinesin-13
Question 44. Colcemid is a drug that acts on ___________
  1.    myosin
  2.    kinesin
  3.    tubulin
  4.    colchicine
 Discuss Question
Answer: Option C. -> tubulin
Answer: (c).tubulin
Question 45. Which microtubule-associated motor protein is responsible for the movement of cilia?
  1.    kinesin
  2.    niacin
  3.    myosin
  4.    dynein
 Discuss Question
Answer: Option D. -> dynein
Answer: (d).dynein
Question 46. Which type of cytoskeletal elements are involved in nonmuscle motility?
  1.    microfilaments
  2.    flagella
  3.    intermediate filaments
  4.    microtubules
 Discuss Question
Answer: Option A. -> microfilaments
Answer: (a).microfilaments
Question 47. Monomer-sequestering proteins are responsible for high concentration of G-actin in nonmuscle cells.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 48. Which of the following nucleating protein generates unbranched actin filaments?
  1.    formin
  2.    kinesin
  3.    globulin
  4.    vimentin
 Discuss Question
Answer: Option A. -> formin
Answer: (a).formin
Question 49. Which of the following binds to G-actin?
  1.    thymosin
  2.    lysin
  3.    kinesin
  4.    chymosin
 Discuss Question
Answer: Option A. -> thymosin
Answer: (a).thymosin
Question 50. Nucleation is the slowest step in actin filament formation.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True

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