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MCQs

Total Questions : 139 | Page 8 of 14 pages
Question 71. The location of splice sites in pre-mRNA can be determined by comparing the sequence of genomic DNA with
  1.    A DNA
  2.    B DNA
  3.    cDNA
  4.    zDNA
 Discuss Question
Answer: Option C. -> cDNA
Answer: (c).cDNA
Question 72. The types of RNA polymerases in eukaryotic cells are
  1.    2
  2.    3
  3.    4
  4.    5
 Discuss Question
Answer: Option B. -> 3
Answer: (b).3
Question 73. The human tintin gene has the largest number of
  1.    sticky ends
  2.    axons
  3.    exons
  4.    mRNA
 Discuss Question
Answer: Option C. -> exons
Answer: (c).exons
Question 74. The sequences remaining after splicing are
  1.    axons
  2.    exons
  3.    axioms
  4.    sticky ends
 Discuss Question
Answer: Option B. -> exons
Answer: (b).exons
Question 75. The longest primary transcript is produced by
  1.    tintin gene
  2.    dystrophin gene
  3.    centromere protein A
  4.    neuromedin u
 Discuss Question
Answer: Option B. -> dystrophin gene
Answer: (b).dystrophin gene
Question 76. After synthesis the eukaryotic mRNA undergo extensive modifications, including
  1.    capping
  2.    polyadenylation
  3.    splicing
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 77. The mRNA links up with ribosomes to start
  1.    translation
  2.    transcription
  3.    replication
  4.    Splicing
 Discuss Question
Answer: Option A. -> translation
Answer: (a).translation
Question 78. Non-codingRNAs regulate
  1.    RNA splicing
  2.    DNA replication
  3.    gene regulation
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 79. Ribosomes are located on
  1.    smooth endoplasmic reticulum
  2.    rough endoplasmic reticulum
  3.    nucleus
  4.    cytoplasm
 Discuss Question
Answer: Option B. -> rough endoplasmic reticulum
Answer: (b).rough endoplasmic reticulum
Question 80. Ribosomes are made up of
  1.    RNA
  2.    rRNA
  3.    proteins
  4.    both b and c
 Discuss Question
Answer: Option D. -> both b and c
Answer: (d).both b and c

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