Gibberellin promotes transcription of amylase genes by

  1. inhibiting transcription factors
  2. causing DELLA proteins to be broken down
  3. binding directly to the amylase gene
  4. activating the lac operon
Answer

B) causing DELLA proteins to be broken down

Removing the repressor frees the transcription factor. AS & A Level Biology · Topic 16 Inheritance · 16.3 Gene control

Biology MCQ · More A Level Biology: Inheritance MCQs · Practise