Edexcel GCSE Combined Science · 1SC0
Paper 1, Paper 2
Revise: Selective Breeding and Genetic EngineeringA restriction enzyme cuts DNA at particular recognition sequences, allowing the required gene to be isolated.
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GCSE Combined Science · key term
An enzyme that cuts DNA at particular recognition sequences.
Used by Edexcel
Paper 1, Paper 2
Revise: Selective Breeding and Genetic EngineeringA restriction enzyme cuts DNA at particular recognition sequences, allowing the required gene to be isolated.
In Higher Tier answers, restriction enzymes cut DNA; ligase joins DNA. Sticky ends are parts of the cut DNA, not enzymes.
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