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MCQs

Total Questions : 154 | Page 12 of 16 pages
Question 111. Pinocytosis occurs in
  1.    all eukaryotic cells
  2.    all prokaryotic cells
  3.    mitochondria of all cells
  4.    none of these
 Discuss Question
Answer: Option A. -> all eukaryotic cells
Answer: (a).all eukaryotic cells
Question 112. In Fluid mosaic model, the biological membrane can be viewed as
  1.    two dimensional solutions of oriented lipids and globular proteins
  2.    three dimensional solutions of oriented lipids and globular proteins
  3.    two dimensional solutions of oriented lipids and carbohydrate
  4.    three dimensional solutions of oriented lipids and carbohydrate
 Discuss Question
Answer: Option A. -> two dimensional solutions of oriented lipids and globular proteins
Answer: (a).two dimensional solutions of oriented lipids and globular proteins
Question 113. Which of the following is not found in membranes?
  1.    Glycoproteins
  2.    Glycolipids
  3.    Nucleic acids
  4.    Phospholipids
 Discuss Question
Answer: Option C. -> Nucleic acids
Answer: (c).Nucleic acids
Question 114. Membrane lipids are
  1.    hydrophilic
  2.    hydrophobic
  3.    ampiphillic
  4.    none of these
 Discuss Question
Answer: Option A. -> hydrophilic
Answer: (a).hydrophilic
Question 115. When cross sectional area of the head group is greater than that of the acyl side chain, which of the following lipid aggregates formation is favored?
  1.    Micelles
  2.    Bilayer
  3.    Liposome
  4.    Myelin sheath
 Discuss Question
Answer: Option A. -> Micelles
Answer: (a).Micelles
Question 116. A platelet is able to play its role in the formation of blood clot when one of the glycerophospholipids in the plasma membrane moves into the outer leaflet.
  1.    Phosphatidylserine
  2.    Phosphatidylethanolamine
  3.    Phosphatidylinositol
  4.    Phosphatidylglycerol
 Discuss Question
Answer: Option A. -> Phosphatidylserine
Answer: (a).Phosphatidylserine
Question 117. Which of the following is choline containing lipid?
  1.    Sphingomyelin
  2.    Phosphatidylserine
  3.    Phosphatidylglycerol
  4.    Phosphatidylethanolamine
 Discuss Question
Answer: Option A. -> Sphingomyelin
Answer: (a).Sphingomyelin
Question 118. Which of the following glycerophospholipids is not common in inner leaflet (cytoplasmic)?
  1.    Phosphatidylserine
  2.    Phosphatidylethanolamine
  3.    Phosphatidylinositol
  4.    Phosphatidylcholine
 Discuss Question
Answer: Option D. -> Phosphatidylcholine
Answer: (d).Phosphatidylcholine
Question 119. Which of the following has high lipid content?
  1.    Myelin sheath
  2.    Plasma membrane
  3.    Inner mitochondrial membrane
  4.    Outer mitochondrial membrane
 Discuss Question
Answer: Option A. -> Myelin sheath
Answer: (a).Myelin sheath
Question 120. Which of the following integral membrane protein is a special class of membrane rafts?
  1.    Caveolin
  2.    Integrin
  3.    Cadherin
  4.    Selectin
 Discuss Question
Answer: Option A. -> Caveolin
Answer: (a).Caveolin

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