DNA ligase is used to

  1. cut the plasmid
  2. join the gene into the plasmid
  3. make insulin
  4. kill bacteria
Answer

B) join the gene into the plasmid

Ligase seals DNA. O Level Biology · Topic 18 Biotechnology and Genetic Modification · 18.2 Genetic modification

Biology MCQ · More O Level Biology: Biotechnology and Genetic Modification MCQs · Practise