terminator region
What terminator region means in Biology A-Level, as defined for AQA.
Definition of terminator region
Check what you remember
Read the wording for your board, then hide it and explain terminator region in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
A sequence at the far end that causes RNA polymerase to detach, releasing the mRNA and preventing the enzyme running on into neighbouring DNA.
Topics that use terminator region
- Recombinant DNA technology (A-level only) (AQA A-Level)
Related terms
- cDNA and reverse transcriptase
- complementary base pairing
- DNA ligase
- insertional inactivation
- polymerase chain reaction
- post-translational modification
- primers
- promoter region
Using terminator region 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.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge