Transcription factors

  1. are enzymes that hydrolyse lactose
  2. bind to DNA and increase or decrease transcription
  3. translate mRNA
  4. are structural proteins
Answer

B) bind to DNA and increase or decrease transcription

They regulate gene expression in eukaryotes. AS & A Level Biology · Topic 16 Inheritance · 16.3 Gene control

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