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MCQs

Total Questions : 42 | Page 4 of 5 pages
Question 31. . Which of the following are produced in high copy number?
  1.    YEp
  2.    YRp
  3.    Both (a) and (b)
  4.    YCp
 Discuss Question
Answer: Option C. -> Both (a) and (b)
Question 32. . Retroviruses consist of
  1.    Ds DNA genome
  2.    Ss DNA genome
  3.    RNA genome
  4.    cDNA genome
 Discuss Question
Answer: Option C. -> RNA genome
Question 33. . Which of the following can be used for reducing the size of gene inserts containing introns?
  1.    Vaccinia virus
  2.    Baculo virus
  3.    Retro virus
  4.    none of these
 Discuss Question
Answer: Option C. -> Retro virus
Question 34. . 5-fluoro orotic acid inhibits the growth if one of the following marker is present in the yeast. That is
  1.    His 3
  2.    Lys 2
  3.    Ura 3
  4.    Trp 1
 Discuss Question
Answer: Option C. -> Ura 3
Question 35. . Which of the following promoters is repressed in presence of glucose?
  1.    Galactokinase (GAL 1)
  2.    Acid phosphatase (PHOS)
  3.    Both (a) and (b)
  4.    Phosphoglycerate kinase (PGK)
 Discuss Question
Answer: Option A. -> Galactokinase (GAL 1)
Question 36. .  Which of the following(s) is/are the most commonly used markers in yeast?
  1.    His 3
  2.    Ura 3
  3.    Trp 1
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 37. . Which of the following are produced in high copy number?
  1.    YEp
  2.    YRp
  3.    Both (a) and (b)
  4.    YCp
 Discuss Question
Answer: Option C. -> Both (a) and (b)
Question 38. . Which of the following can be used for reducing the size of gene inserts containing introns?
  1.    Vaccinia virus
  2.    Baculo virus
  3.    Retro virus
  4.    none of these
 Discuss Question
Answer: Option C. -> Retro virus
Question 39. . 5-fluoro orotic acid inhibits the growth if one of the following marker is present in the yeast. That is
  1.    His 3
  2.    Lys 2
  3.    Ura 3
  4.    Trp 1
 Discuss Question
Answer: Option C. -> Ura 3
Question 40. . Which of the following promoters is repressed in presence of glucose?
  1.    Galactokinase (GAL 1)
  2.    Acid phosphatase (PHOS)
  3.    Both (a) and (b)
  4.    Phosphoglycerate kinase (PGK)
 Discuss Question
Answer: Option A. -> Galactokinase (GAL 1)

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