2 GCSE resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter GCSE Subject Biology Exam board Edexcel OCR TopicClear filter Cells & Microscopy DNA Resources Flashcards Multi-tool Revision Cards B1 Cells & Microscopy OCR Gateway (9-1) GCSE, Biology 25 flashcards 5.0 / 5 Biology B2/ DNA, CELLS, MICROSCOPY GCSE, Biology 16 revision cards Search again