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MCQs

Total Questions : 93 | Page 8 of 10 pages
Question 71. Viagra is specific for which isoform of cGMP phosphodiesterase?
  1.    PDE2
  2.    PDE4
  3.    PDE5
  4.    PDE8
 Discuss Question
Answer: Option C. -> PDE5
Answer: (c).PDE5
Question 72. The development of Viagra is related to the discovery of nitric oxide as a ____________________
  1.    secondary messenger
  2.    gaseous compound
  3.    primary messenger
  4.    cyclin inhibitor
 Discuss Question
Answer: Option A. -> secondary messenger
Answer: (a).secondary messenger
Question 73. Which of the following compounds is metabolized into nitric oxide?
  1.    Phosphoglycerine
  2.    Nitroglycerine
  3.    Sulforaphane
  4.    Serotonin
 Discuss Question
Answer: Option B. -> Nitroglycerine
Answer: (b).Nitroglycerine
Question 74. Which of the following type of cells recognize and kill the abnormal pathogen infected cells?
  1.    Mast cells
  2.    B-lymphocytes
  3.    T-lymphocytes
  4.    Neutrophils
 Discuss Question
Answer: Option C. -> T-lymphocytes
Answer: (c).T-lymphocytes
Question 75. When was the term apoptosis coined?
  1.    1972
  2.    1982
  3.    1992
  4.    2002
 Discuss Question
Answer: Option A. -> 1972
Answer: (a).1972
Question 76. Apoptosis is programmed cell death.
  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. The CED3 gene product in nematodes has homologous _______________ in mammals.
  1.    kinases
  2.    esterases
  3.    caspases
  4.    endonucleases
 Discuss Question
Answer: Option C. -> caspases
Answer: (c).caspases
Question 78. Inactivation of which of the following leads to detachment of the apoptotic cell?
  1.    FAK
  2.    PKB
  3.    PKC
  4.    RAF1
 Discuss Question
Answer: Option A. -> FAK
Answer: (a).FAK
Question 79. To which of the following residues of the protein, the protein kinases do not add phosphate groups?
  1.    serine
  2.    cytosine
  3.    threonine
  4.    tyrosine
 Discuss Question
Answer: Option B. -> cytosine
Answer: (b).cytosine
Question 80. G-protein coupled receptors contain ________ transmembrane alpha helices.
  1.    2
  2.    5
  3.    7
  4.    9
 Discuss Question
Answer: Option C. -> 7
Answer: (c).7

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