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MCQs

Total Questions : 91 | Page 9 of 10 pages
Question 81. Hemolysis is associated with which type of cells?
  1.    hepatocytes
  2.    germ cells
  3.    somatic cells
  4.    red blood cells
 Discuss Question
Answer: Option D. -> red blood cells
Answer: (d).red blood cells
Question 82. Which is the first membrane protein to have its amino acid sequence determined?
  1.    Glycophorin A
  2.    Glycophorin B
  3.    Glycophorin C
  4.    Glycophorin D
 Discuss Question
Answer: Option A. -> Glycophorin A
Answer: (a).Glycophorin A
Question 83. Transverse diffusion (flip-flop) is the movement of _____________
  1.    cholesterol molecule
  2.    amino acid
  3.    protein
  4.    phospholipid
 Discuss Question
Answer: Option D. -> phospholipid
Answer: (d).phospholipid
Question 84. The mobility of integral proteins can be measured by physical state of the ______________
  1.    amino acids
  2.    external phospholipids
  3.    membrane phospholipids
  4.    membrane appendages
 Discuss Question
Answer: Option C. -> membrane phospholipids
Answer: (c).membrane phospholipids
Question 85. Two cells can be operated in such a way that leads to a common continuous plasma membrane of both.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 86. Which of the following can not be used to mediate the fusion of plasma membranes of two different cells?
  1.    electric shock
  2.    inactivated viruses
  3.    Polyethylene glycol
  4.    emulsifier
 Discuss Question
Answer: Option D. -> emulsifier
Answer: (d).emulsifier
Question 87. Which of the following exists in nerve and muscle cells?
  1.    resting potential
  2.    membrane potential
  3.    potassium equilibrium potential
  4.    sodium equilibrium potential
 Discuss Question
Answer: Option A. -> resting potential
Answer: (a).resting potential
Question 88. On which of the following organisms, the research on nerve cells was first carried out?
  1.    Drosophila melanogaster
  2.    Grasshopper
  3.    Giant squid
  4.    Octopus
 Discuss Question
Answer: Option C. -> Giant squid
Answer: (c).Giant squid
Question 89. Depolarization is when ___________ ions flow inside the neuron’s membrane.
  1.    Potassium
  2.    Sodium
  3.    Chloride
  4.    Magnesium
 Discuss Question
Answer: Option B. -> Sodium
Answer: (b).Sodium
Question 90. A neuron fires when _____________________
  1.    action potential is achieved
  2.    apoptosis is induced
  3.    re-stimulation occurs
  4.    stimulation ceases
 Discuss Question
Answer: Option A. -> action potential is achieved
Answer: (a).action potential is achieved

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