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MCQs

Total Questions : 107 | Page 9 of 11 pages
Question 81. Each tropomyosin is associated with _______ subunits of actin subunits.
  1.    2
  2.    3
  3.    7
  4.    9
 Discuss Question
Answer: Option C. -> 7
Answer: (c).7
Question 82. Which of the following prevents sacromeres from pulling apart during muscle stretching?
  1.    titin
  2.    vimentin
  3.    myosin
  4.    actin
 Discuss Question
Answer: Option A. -> titin
Answer: (a).titin
Question 83. Troponin is composed of _____ subunits.
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option C. -> 3
Answer: (c).3
Question 84. Titin is the largest protein discovered till date.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 85. Cortex (of a cell) is located beneath the _____________
  1.    nucleus
  2.    mitochondria
  3.    ribosomes
  4.    plasma membrane
 Discuss Question
Answer: Option D. -> plasma membrane
Answer: (d).plasma membrane
Question 86. Fluorescently labeled _________ can reveal the attachment sites of fibroblasts on substratum.
  1.    cofilin
  2.    flagella
  3.    vinculin
  4.    microtubules
 Discuss Question
Answer: Option C. -> vinculin
Answer: (c).vinculin
Question 87. Advancing edge of the lamellipodium is filled with actin.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 88. Which of the following are used to study cell locomotion in fish?
  1.    myoblasts
  2.    oocytes
  3.    spermatocytes
  4.    keratocytes
 Discuss Question
Answer: Option D. -> keratocytes
Answer: (d).keratocytes
Question 89. When was the first experimental evidence provided for axonal outgrowth and motility?
  1.    1907
  2.    1807
  3.    1847
  4.    1947
 Discuss Question
Answer: Option A. -> 1907
Answer: (a).1907
Question 90. Which of the following acts as an attractant for axons?
  1.    netrin
  2.    porphyrin
  3.    integrin
  4.    laminin
 Discuss Question
Answer: Option A. -> netrin
Answer: (a).netrin

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