Welcome to the very first episode of GCSE Science Unlocked! If you think "common sense" is enough to get you through your biology exam, think again. As Lottie is discovering after a decade away from school, AQA examiners speak a completely different language—and Mr. H is here to make sure you speak it fluently.

In this series opener, we tackle Section 4.1.1.1: Eukaryotes and Prokaryotes. We draw the strict dividing lines between complex cells (like us and our food) and tiny, single-celled bacteria, while exposing the classic comparison traps that cost students easy marks every year.

🎧 What You'll Learn in This Episode:

• The Definitive Blueprint: What actually makes a cell a eukaryote, and where the genetic "CEO's office" lives.
• The Bacterial Bonus: Why prok ...