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MCQs

Total Questions : 158 | Page 8 of 16 pages
Question 71. Cell adhesion is also essential for infectious organisms, such as bacteria or viruses, to cause diseases.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 72. Plants cells adhere closely to each other and are connected through __________
  1.    plasmodesmata
  2.    stomata
  3.    parenchyma
  4.    stroma
 Discuss Question
Answer: Option A. -> plasmodesmata
Answer: (a).plasmodesmata
Question 73. __________ have adhesion molecules on their cell surface termed bacterial adhesins.
  1.    Prokaryotes
  2.    Reptiles
  3.    Birds
  4.    Humans
 Discuss Question
Answer: Option B. -> Reptiles
Answer: (b).Reptiles
Question 74. Selectins mediate the movement of keratinocytes.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 75. HIV has an adhesion molecule termed hemagglutinin that binds to its ligand CD4.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 76. Cells have specific CAMs that will bind to molecules in the extracellular matrix.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 77. _________ link extracellular matrix to keratin intermediate filaments.
  1.    Integrins
  2.    Cadherins
  3.    Immunoglobulins
  4.    Selectins
 Discuss Question
Answer: Option A. -> Integrins
Answer: (a).Integrins
Question 78. Dysfunction of cell adhesion occurs during cancer metastasis.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 79. In focal adhesions, integrins attach ___________
  1.    integrins
  2.    cadherins
  3.    immunoglobulins
  4.    selectins
 Discuss Question
Answer: Option A. -> integrins
Answer: (a).integrins
Question 80. The cell’s directed movement as a response to a mechanical or/and chemical signal is termed as ______________
  1.    cell adhesion
  2.    cell death
  3.    cell division
  4.    cell migration
 Discuss Question
Answer: Option D. -> cell migration
Answer: (d).cell migration

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