ConceptConceptDocsDocuments

CAIE A-Level Biology 16.3.3 Genetic Control in Prokaryotes

Practise using lac-operon diagrams and activity graphs to trace lactose binding, repressor release, RNA polymerase action and production of permease and β-galactosidase.

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • label promoter, operator, lacZ and lacY and state the enzymes they control
  • trace lactose binding to repressor release, transcription and enzyme production
  • interpret β-galactosidase curves as lactose is added, used or becomes limiting

No Question Bank Yet

Questions will appear here when available.