Biology A-Level
DNA ligase
What DNA ligase means in Biology A-Level, as defined for AQA.
Definition of DNA ligase
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Reference: AQA
Catalyses the formation of phosphodiester bonds between adjacent nucleotides, sealing the backbones to produce a recombinant plasmid.
Topics that use DNA ligase
- Recombinant DNA technology (A-level only) (AQA A-Level)
Related terms
- cDNA and reverse transcriptase
- complementary base pairing
- insertional inactivation
- polymerase chain reaction
- post-translational modification
- primers
- promoter region
- restriction endonucleases
Using DNA ligase in the exam
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