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MCQs

Total Questions : 91 | Page 5 of 10 pages
Question 41. Shingolipids is the derivative of ______________
  1.    Sphingosine
  2.    Shingomycin
  3.    Sphingoceramicin
  4.    Sphingolipid polymer
 Discuss Question
Answer: Option A. -> Sphingosine
Answer: (a).Sphingosine
Question 42. The phosphoglycerides in cell membrane are of the _________ type.
  1.    Triglyceride
  2.    Diglyceride
  3.    Monoglyceride
  4.    Polyglyceride
 Discuss Question
Answer: Option B. -> Diglyceride
Answer: (b).Diglyceride
Question 43. Which part of cholesterol molecule is not embedded in the lipid bilayer?
  1.    Hydroxyl end of cholesterol
  2.    Entire molecule of cholesterol
  3.    Hydrophobic rings
  4.    Hydroxyl end and 1⁄4th of the hydrophobic rings
 Discuss Question
Answer: Option A. -> Hydroxyl end of cholesterol
Answer: (a).Hydroxyl end of cholesterol
Question 44. Which of the following is not a component of cell membranes?
  1.    Phosphodiglycerides
  2.    Sphingolipids
  3.    Cholesterol
  4.    Phosphotriglycerides
 Discuss Question
Answer: Option D. -> Phosphotriglycerides
Answer: (d).Phosphotriglycerides
Question 45. In animals, the amount of cholesterol present in cell membrane is ___________
  1.    20%
  2.    15%
  3.    50%
  4.    33.33%
 Discuss Question
Answer: Option D. -> 33.33%
Answer: (d).33.33%
Question 46. Which of the following is exoplasmic?
  1.    Phosphatidyl choline
  2.    Phosphatidyl serine
  3.    Phosphatidyl ethanolamine
  4.    Phosphatidyl inositol
 Discuss Question
Answer: Option A. -> Phosphatidyl choline
Answer: (a).Phosphatidyl choline
Question 47. Which of the following facilitates binding of positively charged amino acid residues?
  1.    Phosphatidyl choline (PC)
  2.    Phosphatidyl serine (PS)
  3.    Phosphatidyl ethanolamine (PE)
  4.    Phosphatidyl inositol(PI)
 Discuss Question
Answer: Option B. -> Phosphatidyl serine (PS)
Answer: (b).Phosphatidyl serine (PS)
Question 48. Which of the following promote curvature of cell membrane?
  1.    Phosphatidyl choline (PC)
  2.    Phosphatidyl serine (PS)
  3.    Phosphatidyl ethanolamine (PE)
  4.    Phosphatidyl inositol(PI)
 Discuss Question
Answer: Option C. -> Phosphatidyl ethanolamine (PE)
Answer: (c).Phosphatidyl ethanolamine (PE)
Question 49. Lipid rafts are ___________
  1.    Patches of glycoproteins in the lipid bilayer
  2.    Patches of cholesterol and sphingolipids in lipid bilayer
  3.    Patches of only cholesterol in lipid bilayers
  4.    Detached patches of proteins floating on the lipid bilayer
 Discuss Question
Answer: Option B. -> Patches of cholesterol and sphingolipids in lipid bilayer
Answer: (b).Patches of cholesterol and sphingolipids in lipid bilayer
Question 50. Carbohydrates present in cell membrane are generally ___________
  1.    Monosaccharides
  2.    Disachharides
  3.    Oligosaccharides
  4.    Polysaccharides
 Discuss Question
Answer: Option C. -> Oligosaccharides
Answer: (c).Oligosaccharides

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