AHL: DNA replication extensions
This AHL sub-topic covers advanced extensions to core DNA replication for IB Biology HL. We explain telomeres, multiple replication origins, DNA proofreading, and mismatch repair, all required for exam assessment.
📖Study Guide
In-depth bilingual notes with worked past paper examples.
✍️Practice Exam
Timed practice questions with mark scheme grading. Coming soon.
🎴Flashcards
Spaced repetition for key concepts and definitions. Coming soon.
📊Visualizer Coming Soon
Interactive plots and diagrams to build intuition. Coming soon.
Stuck on a specific question?
Snap a photo or paste your problem — Ollie (our AI tutor) walks through it step-by-step with diagrams.
Try Ollie free →
Snap a photo or paste your problem — Ollie (our AI tutor) walks through it step-by-step with diagrams.
Try Ollie free →