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MCQs

Total Questions : 108 | Page 11 of 11 pages
Question 101. 2. First evident that DNA is genetic material comes from the experiment of Griffith is
  1.    transduction
  2.    transformation
  3.    replication
  4.    translation
 Discuss Question
Answer: Option B. -> transformation
Question 102. 1. Proteins which help to open the double helix for DNA synthesis are
  1.    DNA helicases
  2.    single stranded binding proteins
  3.    ligase
  4.    DNA topoisomerase
 Discuss Question
Answer: Option A. -> DNA helicases
Question 103. 0. What does ligase do during replication of DNA?
  1.    Synthesizes the lagging strand
  2.    Makes copies of mRNA from DNA
  3.    Joins nicks in DNA strands
  4.    Digests mRNA when it is no longer needed
 Discuss Question
Answer: Option C. -> Joins nicks in DNA strands
Question 104. 6. DNA segments capable of moving from one place in the genome to another is known as
  1.    transposons
  2.    retrovirus
  3.    introns
  4.    moving elements
 Discuss Question
Answer: Option A. -> transposons
Question 105. 7. What does ligase do during replication of DNA?
  1.    Synthesizes the lagging strand
  2.    Makes copies of mRNA from DNA
  3.    Joins nicks in DNA strands
  4.    Digests mRNA when it is no longer needed
 Discuss Question
Answer: Option C. -> Joins nicks in DNA strands
Question 106. 9. First evident that DNA is genetic material comes from the experiment of Griffith is
  1.    transduction
  2.    transformation
  3.    replication
  4.    translation
 Discuss Question
Answer: Option B. -> transformation
Question 107. 0. An RNA primer is synthesized by
  1.    DNA helicases
  2.    ligase
  3.    DNA topoisomerase
  4.    primase
 Discuss Question
Answer: Option D. -> primase
Question 108. 8. Proteins which help to open the double helix for DNA synthesis are
  1.    DNA helicases
  2.    single stranded binding proteins
  3.    ligase
  4.    DNA topoisomerase
 Discuss Question
Answer: Option A. -> DNA helicases

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