Cystic Fibrosis A-Level Biology (SNAB, AQA, OCR)

Welcome to A*demola!
In today’s video, we’re breaking down Cystic Fibrosis, a classic SNAB & A-Level Biology topic that students always find confusing: until now 😤

From the CFTR gene mutation to how CF affects the lungs and digestive system, I’ll guide you through everything you need to smash any exam question on this topic 💪🏾

🎯 You’ll learn:
✅ What the CFTR mutation is and how it affects chloride ion transport
✅ Exactly how cystic fibrosis causes thick mucus in different organs
✅ Common complications of CF (lungs, pancreas, fertility & more)
✅ How to apply this knowledge in real exam-style questions
✅ Clear, mark-heavy explanations examiners want to see
✅ My A* tips to secure full marks every time

⏱️ Timestamps:
0:00 Intro
0:15 Mutation
2:38 Cystic Fibrosis
4:59 Complications of CF
8:06 Questions
8:39 Answers
10:42 A* Tips

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