Learning objective
A1.2.8—Complementary base pairing
Complementary base pairing links specific bases, allowing DNA replication, transcription, and translation to use predictable molecular matching in cells in IB Biology exam contexts.
- Syllabus
- First assessment 2025
- Objective
- A1.2.8
- Level
- SL
Concept essentials
- Complementary base pairing should be described using precise molecular vocabulary.
- Structure and information must be kept separate: backbones provide continuity while bases carry sequence meaning.
- Exam answers should match the command term and avoid adding unsupported extra claims.
