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MCQs

Total Questions : 88 | Page 6 of 9 pages
Question 51. The transport factors that help in the transport of molecules through the nuclear pores are known as ___________
  1.    Nucleopherins
  2.    Nucleoporins
  3.    Karyopherins
  4.    Karyoporins
 Discuss Question
Answer: Option C. -> Karyopherins
Answer: (c).Karyopherins
Question 52. Nuclear Organizer Regions (NOR) is found in ________
  1.    Nuclear matrix
  2.    Nucleolus
  3.    Nuclear lamina
  4.    Nucleoporins
 Discuss Question
Answer: Option B. -> Nucleolus
Answer: (b).Nucleolus
Question 53. Lamin proteins that bind to the intra-nuclear chromatin are _____________
  1.    Emerin
  2.    Nesprin
  3.    LEM-3
  4.    Cannot be said
 Discuss Question
Answer: Option C. -> LEM-3
Answer: (c).LEM-3
Question 54. Cajal bodies mainly consist of the protein _________
  1.    Emerin
  2.    Actin
  3.    Coilin
  4.    Desprin
 Discuss Question
Answer: Option C. -> Coilin
Answer: (c).Coilin
Question 55. Which of the following is not a function of Cajal bodies?
  1.    snRNP biogenesis
  2.    histone mRNA processing
  3.    telomere assembly
  4.    tRNA processing
 Discuss Question
Answer: Option D. -> tRNA processing
Answer: (d).tRNA processing
Question 56. Which of the following is also known as Kremer bodies?
  1.    Cajal bodies
  2.    PML bodies
  3.    Nuclear speckles
  4.    Nucleolus
 Discuss Question
Answer: Option B. -> PML bodies
Answer: (b).PML bodies
Question 57. Nuclear speckles ______________
  1.    perform splicing of snRNPs
  2.    perform splicing of rRNAs
  3.    act as a transcription site for rRNAs
  4.    act as a storage site for snRNPs
 Discuss Question
Answer: Option A. -> perform splicing of snRNPs
Answer: (a).perform splicing of snRNPs
Question 58. Which of the following plays a role in oncogenic function?
  1.    Kremer bodies
  2.    Cajal bodies
  3.    Splicing speckles
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Kremer bodies
Answer: (a).Kremer bodies
Question 59. Processing of mRNA includes __________
  1.    5′ capping, 3′ polyadenylation and RNA splicing
  2.    3′ capping, 5′ polyadenylation and RNA splicing
  3.    5′ capping and 3′ polyadenylation
  4.    5′ capping and RNA splicing
 Discuss Question
Answer: Option A. -> 5′ capping, 3′ polyadenylation and RNA splicing
Answer: (a).5′ capping, 3′ polyadenylation and RNA splicing
Question 60. Which of the following is not true?
  1.    Paraspeckles are irregular shaped sub-nuclear compartments
  2.    Paraspeckles disappear in absence of RNA polemerase II transcription
  3.    They are transcription dependent
  4.    They are present during interphase and absent during mitosis.
 Discuss Question
Answer: Option D. -> They are present during interphase and absent during mitosis.
Answer: (d).They are present during interphase and absent during mitosis.

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