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CAIE A-Level Biology 19.1.5 Promoters in Gene Transfer

Practise explaining why a promoter must accompany a transferred gene so transcription machinery binds and expression occurs at the required level or site.

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • link promoter transfer to RNA polymerase or transcription-factor binding and transcription
  • explain how promoter choice controls the timing, tissue or amount of transferred-gene expression

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