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Subjects
Class 11BiotechnologyProcesses of Recombinant DNA TechnologyCutting of DNAEasy
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Why can different forms of the same DNA appear in restriction enzyme result?

Answer and explanation

Correct answer: Due to plasmid conformations like supercoiled open circular and linear

Uncut plasmid can migrate in different conformations. After digestion the linear band appears differently.

Related tags

Plasmid ConformationSupercoiledLinear DnaCutting Of DnaProcesses Of Recombinant Dna TechnologyBiotechnologyClass 11 Mcq
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10 more MCQs
  1. 1What are blunt ends?
  2. 2Where do restriction enzymes make cuts in DNA?
  3. 3What must be done before inserting a desired gene into a cloning vector?
  4. 4Which term best describes the action of a restriction enzyme?
  5. 5When are sticky ends in restriction-cut DNA useful?
  6. 6What can be done to a foreign gene before inserting it into a vector in cloning?
  7. 7Why are restriction-cut DNA fragments shown in gel electrophoresis?
  8. 8If plasmid and insert are cut with two different enzymes what can be a benefit?
  9. 9What problem may occur if the vector and insert have incompatible ends?
  10. 10Which enzymes are mainly used for cutting DNA?
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