Codon: Learn Biology

Codon is a structured biology study course with 100 lessons covering cells and molecules, inheritance, evolution, ecology, organisms and physiology. It teaches mechanisms and evidence without presenting the course as a university degree or medical advice. WHAT IS INSIDE 100 lessons with estimated reading times and on-device narration 82 researcher profiles 735 glossary entries 20 quizzes with answer explanations 18 landmark experiments Spaced-review flashcards, bookmarks and notes Three Home Screen widgets: a source idea, a term and a figure FREE AND FULL ACCESS The first ten lessons are free. A one-time Full Access purchase opens the other 90 lessons. The current price for your App Store region is shown in the app before purchase. No subscription or app account is required. OFFLINE STUDY Lessons, profiles, glossary entries, quizzes and case studies are bundled for offline reading. Loading a purchase, buying or restoring Full Access, and opening external reference or support links may require a network connection.