Skip to content
    Biology GCSE

    restriction enzymes

    What restriction enzymes means in Biology GCSE, as defined for OCR.

    Definition of restriction enzymes

    Check what you remember

    Read the wording for your board, then hide it and explain restriction enzymes in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: OCR

    Enzymes that cut the desired gene from donor DNA and cut open a bacterial plasmid vector, leaving complementary sticky ends.
    OCR · Feeding the human race

    Topics that use restriction enzymes

    Related terms

    Using restriction enzymes in the exam

    Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.

    Practise Biology questions

    Create a free account to answer exam-style questions on this topic and get feedback on your answers.

    Start free

    A week of Premium from your first lesson · Then the free plan continues · No card, no charge

    All Biology GCSE terms