The Machinery and the Enzymes for Replication of DNA MCQ

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• What does the failure of cell division after DNA replication result in?
  ক

  Polyploidy

  খ

  Aneuploidy

  গ

  Apoptosis

  ঘ

  Migration of cells
• In which phase of the cell cycle does the process of replication take place in E.coli?
  ক

  The M phase

  খ

  The G1 phase

  গ

  The G2 phase

  ঘ

  The S phase
• The DNA polymerase enzymes can initiate the process of replication on their own.
  ক

  True

  খ

  False
• In which direction do the DNA dependent DNA polymerases catalyse the polymerization reaction?
  ক

  3’ → 5’

  খ

  5’ → 3’

  গ

  In both the directions

  ঘ

  Is not direction dependent
• In which type of process, can replication be seen at the small opening of the DNA?
  ক

  Transformation

  খ

  Incision

  গ

  Mutation

  ঘ

  Replication fork
• What will happen if any abnormal changes or mistakes occur during the process of replication?
  ক

  Mutation

  খ

  Normal cell growth

  গ

  Unpredictable cell deaths

  ঘ

  Rapid formation of new cells
• How long does it take for E. Coli to replicate?
  ক

  10 minutes

  খ

  20 minutes

  গ

  18 minutes

  ঘ

  21 minutes
• Which enzyme is used for the process of replication in E. Coli?
  ক

  Restriction enzyme

  খ

  Protease enzyme

  গ

  Lipase enzyme

  ঘ

  DNA polymerase