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MCQs

Total Questions : 107 | Page 8 of 11 pages
Question 71. Aggregation of neurofilaments leads to ____________
  1.    vision disorders
  2.    skin disorders
  3.    lung disorders
  4.    neurodegenerative disorders
 Discuss Question
Answer: Option D. -> neurodegenerative disorders
Answer: (d).neurodegenerative disorders
Question 72. Microfilaments are composed of globular subunits of _____________
  1.    myosin
  2.    kinesin
  3.    actin
  4.    colchicine
 Discuss Question
Answer: Option C. -> actin
Answer: (c).actin
Question 73. Microfilaments are mostly involved in _______________ processes.
  1.    activation
  2.    stimulation
  3.    degradation
  4.    motile
 Discuss Question
Answer: Option D. -> motile
Answer: (d).motile
Question 74. For cellular transport, plant cells rely on microfilaments.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 75. The identification of actin filaments in a cell can be done by using the protein ____________
  1.    myosin
  2.    kinesin
  3.    globulin
  4.    vimentin
 Discuss Question
Answer: Option A. -> myosin
Answer: (a).myosin
Question 76. The head of the myosin binds the ___________
  1.    ATP
  2.    ADP
  3.    Actin filament
  4.    Neurofilament
 Discuss Question
Answer: Option C. -> Actin filament
Answer: (c).Actin filament
Question 77. Which type of myosins move toward the minus-end of a microfilament?
  1.    myosin I
  2.    myosin II
  3.    myosin IV
  4.    myosin VI
 Discuss Question
Answer: Option D. -> myosin VI
Answer: (d).myosin VI
Question 78. Myosins VIII and _____ are present only in plant cells.
  1.    IX
  2.    X
  3.    XI
  4.    XII
 Discuss Question
Answer: Option C. -> XI
Answer: (c).XI
Question 79. Myosin II filaments display a transient construction in ______________
  1.    nonmuscle cells
  2.    muscle cells
  3.    actin filaments
  4.    tubulin filaments
 Discuss Question
Answer: Option A. -> nonmuscle cells
Answer: (a).nonmuscle cells
Question 80. Type II myosins are found primarily in __________
  1.    plant cells
  2.    muscle cells
  3.    nerve cells
  4.    liver hepatocytes
 Discuss Question
Answer: Option B. -> muscle cells
Answer: (b).muscle cells

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