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MCQs

Total Questions : 348 | Page 4 of 35 pages
Question 31. Transfer RNAs (tRNA) are transcribed by _________________
  1.    pre-RNA
  2.    rDNA
  3.    tDNA
  4.    siRNA
 Discuss Question
Answer: Option C. -> tDNA
Answer: (c).tDNA
Question 32. Which among the following have the largest number of tRNA genes?
  1.    humans
  2.    bacteria
  3.    yeast
  4.    fruit flies
 Discuss Question
Answer: Option A. -> humans
Answer: (a).humans
Question 33. The “S” in the 80S ribosomes stands for _______________
  1.    Svedberg’s units
  2.    Sedimentation coefficient
  3.    Sulphur-labeled
  4.    Supersonic
 Discuss Question
Answer: Option A. -> Svedberg’s units
Answer: (a).Svedberg’s units
Question 34. Ribonuclease P is involve in the processing of ___________________
  1.    sno RNA
  2.    rRNA
  3.    pre-tRNA
  4.    pre-mRNA
 Discuss Question
Answer: Option C. -> pre-tRNA
Answer: (c).pre-tRNA
Question 35. When were the first structures of ribosomal subunits made by scientists?
  1.    1980
  2.    1990
  3.    2000
  4.    2010
 Discuss Question
Answer: Option C. -> 2000
Answer: (c).2000
Question 36. Which of the following are precursors for mRNAs?
  1.    snoRNA
  2.    hnRNA
  3.    siRNA
  4.    tRNA
 Discuss Question
Answer: Option B. -> hnRNA
Answer: (b).hnRNA
Question 37. Which of the following has the smallest half life?
  1.    hnRNA
  2.    mRNA
  3.    tRNA
  4.    siRNA
 Discuss Question
Answer: Option A. -> hnRNA
Answer: (a).hnRNA
Question 38. All mRNA precursors are synthesized by ___________________
  1.    RNA polymerase I
  2.    RNA polymerase II
  3.    RNA polymerase III
  4.    RNA polymerase IV
 Discuss Question
Answer: Option B. -> RNA polymerase II
Answer: (b).RNA polymerase II
Question 39. TFIID is a ___________
  1.    protein complex
  2.    rRNA
  3.    endonuclease
  4.    ribonuclease
 Discuss Question
Answer: Option A. -> protein complex
Answer: (a).protein complex
Question 40. Which of the following gene encodes for the white of a chicken egg?
  1.    ovalbumin
  2.    globulin
  3.    troponin
  4.    dystrophin
 Discuss Question
Answer: Option A. -> ovalbumin
Answer: (a).ovalbumin

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