CAIE A-Level Biology 16.3.5 Gibberellin & Gene Activation
Practise explaining how gibberellin removes DELLA repression so transcription factors activate growth and amylase genes.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- A2
Exam points
- sequence gibberellin binding, DELLA degradation and transcription-factor activation
- explain how gene expression in aleurone cells produces amylase during germination
- link activated growth genes to cell division, elongation or internode extension
