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MCQs

Total Questions : 178 | Page 6 of 18 pages
Question 51. Zinc-finger nucleases is
  1.    natural restriction enzyme
  2.    type of polymerase enzyme
  3.    artificial restriction enzyme
  4.    type of helicase enzyme
 Discuss Question
Answer: Option C. -> artificial restriction enzyme
Answer: (c).artificial restriction enzyme
Question 52. Sticky ends are overhanging pieces of single stranded
  1.    DNA
  2.    RNA
  3.    proteins
  4.    Messenger RNA
 Discuss Question
Answer: Option A. -> DNA
Answer: (a).DNA
Question 53. Restriction enzymes are also called
  1.    restriction sites
  2.    restriction endonucleases
  3.    restriction polymerases
  4.    endonucleases
 Discuss Question
Answer: Option B. -> restriction endonucleases
Answer: (b).restriction endonucleases
Question 54. Ribozymes are also termed as
  1.    Catalytic RNA
  2.    RNAzyme
  3.    both a and b
  4.    Nucleozymes
 Discuss Question
Answer: Option C. -> both a and b
Answer: (c).both a and b
Question 55. RNA molecules that act as enzymes are called as
  1.    splice
  2.    RNA polymerase
  3.    proteins
  4.    ribozymes
 Discuss Question
Answer: Option D. -> ribozymes
Answer: (d).ribozymes
Question 56. The first ribozyme was discovered in
  1.    1950s
  2.    1920s
  3.    1980s
  4.    1970s
 Discuss Question
Answer: Option C. -> 1980s
Answer: (c).1980s
Question 57. If the enzyme change the active site the rate of reaction will
  1.    decrease
  2.    increase
  3.    remains same
  4.    Fluctuate
 Discuss Question
Answer: Option A. -> decrease
Answer: (a).decrease
Question 58. The number of models that represent enzyme-substrate model are
  1.    one
  2.    two
  3.    three
  4.    four
 Discuss Question
Answer: Option C. -> three
Answer: (c).three
Question 59. Enzymes binds with chemical reactant called
  1.    products
  2.    reactants
  3.    substrates
  4.    Inhibitor
 Discuss Question
Answer: Option C. -> substrates
Answer: (c).substrates
Question 60. Bond specificity is also called
  1.    relative specificity
  2.    size specificity
  3.    group specificity
  4.    Structural specificity
 Discuss Question
Answer: Option A. -> relative specificity
Answer: (a).relative specificity

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