Two types of cell
Two types of cell
Every organism is made from cells. Eukaryotic cells contain a nucleus and membrane-bound organelles, while prokaryotic cells have no nucleus or membrane-bound organelles.
Step-by-step lessons on OCR GCSE Biology 1.1.2 Sub-cellular structures and functions. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.