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D1.2.1—Transcription Topic Practice

D1.2.1—Transcription Topic Practice
IB Biology syllabusBiology SL/HLFirst assessment 2025

Practise describing transcription as mRNA formation from a DNA template, including RNA polymerase, strand use and complementary base pairing.

How this is tested

  • explain how RNA polymerase separates DNA and links RNA nucleotides
  • distinguish transcription from translation by product, location and machinery
  • apply A-U and G-C pairing to describe mRNA copied from a DNA template
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