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Subjects
Class 11BiotechnologyProcesses of Recombinant DNA TechnologyCutting of DNAEasy
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Why can colony screening later be needed after restriction digestion?

Answer and explanation

Correct answer: Not every ligation product is desired clone

After cutting and ligation false clones can appear. Screening identifies the correct recombinant.

Related tags

Colony ScreeningFalse CloneRecombinant 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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