Extracellular Matrix And Cell Interactions(Cell Biology ) Questions and Answers

Question 1. What is the key role of Chondroitin sulfate proteoglycans?
  1.    Extracellular matrix interaction
  2.    Protection to cell
  3.    Production of proteins
  4.    Digesting the toxins
Explanation:-
Answer: Option A. -> Extracellular matrix interaction
Answer: (a).Extracellular matrix interaction
Question 2. How many exons do the syndecan have?
  1.    3
  2.    4
  3.    5
  4.    6
Explanation:-
Answer: Option C. -> 5
Answer: (c).5
Question 3. What is the range of molecular weight of laminins?
  1.    400 to 900 kDa
  2.    400 to 900 Da
  3.    500 to 1000 kDa
  4.    500 to 1000 Da
Explanation:-
Answer: Option A. -> 400 to 900 kDa
Answer: (a).400 to 900 kDa
Question 4. Which of the following helps in the attachment of cell to the extracellular matrix?
  1.    Cell-matrix fusion complex
  2.    Cell-matrix adhesion complex
  3.    Cell-matrix substitution complex
  4.    Cell-matrix addition complex
Explanation:-
Answer: Option B. -> Cell-matrix adhesion complex
Answer: (b).Cell-matrix adhesion complex
Question 5. What is the key role of fibroblasts?
  1.    Protecting the cell
  2.    Producing extracellular matrix
  3.    Producing lytic enzymes
  4.    Providing structure
Explanation:-
Answer: Option B. -> Producing extracellular matrix
Answer: (b).Producing extracellular matrix
Question 6. EPLIN acts as an enhancer for the binding process of actin cytoplasm and catenims.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option A. -> True
Answer: (a).True
Question 7. Which of the following disease is caused by the mutation of desmosomes?
  1.    Parkinson’s disease
  2.    Down’s syndrome
  3.    Cardiomyopathy
  4.    Bubble Boy Syndrome
Explanation:-
Answer: Option C. -> Cardiomyopathy
Answer: (c).Cardiomyopathy
Question 8. Which of the following contains tight junctions?
  1.    Chordates
  2.    Arthropods
  3.    Nematodes
  4.    Molluscs
Explanation:-
Answer: Option A. -> Chordates
Answer: (a).Chordates
Question 9. What is macula adhaerens?
  1.    Adheren junction
  2.    Plasmodesmata
  3.    Cadherins
  4.    Desmosomes
Explanation:-
Answer: Option D. -> Desmosomes
Answer: (d).Desmosomes
Question 10. Which of the following disease is associated with desmoplakin disorder?
  1.    Alzheimer
  2.    Carvajal syndrome
  3.    Myocardial infarction
  4.    Zellweger syndrome
Explanation:-
Answer: Option B. -> Carvajal syndrome
Answer: (b).Carvajal syndrome
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