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Pearson Edexcel GCSE (9-1) Combined Science practice

What is the correct sequence of events when inserting a gene into a plasmid using genetic engineering techniques?

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MCQ

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practice

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Topic

Natural selection and genetic modification

Exam-style question

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What is the correct sequence of events when inserting a gene into a plasmid using genetic engineering techniques?.

  1. A.Ligase cuts, gene isolated, plasmid expressed, vector introduced.
  2. B.Gene isolated, restriction enzymes cut, sticky ends anneal, ligase joins, vector introduced.
  3. C.Restriction enzymes cut, ligase joins, gene isolated, plasmid expressed.
  4. D.Vector introduced, gene isolated, sticky ends anneal, restriction enzymes cut.

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