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MCQs

Total Questions : 95 | Page 8 of 10 pages
Question 71. How many nucleotides long is Okazaki fragment in eukaryotes?
  1.    100
  2.    10
  3.    20
  4.    1000
 Discuss Question
Answer: Option A. -> 100
Answer: (a).100
Question 72. An RNA primer is consist of how many nucleotides?
  1.    3
  2.    30
  3.    20
  4.    10
 Discuss Question
Answer: Option D. -> 10
Answer: (d).10
Question 73. Which of following compensates for telomere shortening?
  1.    topoisomerase
  2.    telomere repair
  3.    helicase
  4.    telomerase
 Discuss Question
Answer: Option D. -> telomerase
Answer: (d).telomerase
Question 74. How many different DNA polymerases have been found in eukaryotes?
  1.    1
  2.    2
  3.    45
  4.    11
 Discuss Question
Answer: Option D. -> 11
Answer: (d).11
Question 75. Patients with Xeroderma pigmentosum are sensitive to which of following?
  1.    peanuts
  2.    water
  3.    sunlight
  4.    grass
 Discuss Question
Answer: Option C. -> sunlight
Answer: (c).sunlight
Question 76. Bases are stacked apart at how much distance?
  1.    0.34
  2.    0.1
  3.    0.25
  4.    0.65
 Discuss Question
Answer: Option A. -> 0.34
Answer: (a).0.34
Question 77. Which of following enzymes synthesizes RNA primers?
  1.    protease
  2.    topoisomerase
  3.    primase
  4.    RNAse
 Discuss Question
Answer: Option C. -> primase
Answer: (c).primase
Question 78. Which of following structures of 30 nm fiber is present in 300 nm fiber?
  1.    sheets
  2.    looped domains
  3.    helix
  4.    hairpin loops
 Discuss Question
Answer: Option B. -> looped domains
Answer: (b).looped domains
Question 79. How many DNA molecules are present in nucleus of a single human cell?
  1.    23
  2.    45
  3.    46
  4.    12
 Discuss Question
Answer: Option C. -> 46
Answer: (c).46
Question 80. Which of following enzymes unwinds and separates DNA strands during replication?
  1.    helicase
  2.    proteases
  3.    topoisomerase
  4.    telomerase
 Discuss Question
Answer: Option A. -> helicase
Answer: (a).helicase

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