1 GCSE Science resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter GCSE SubjectClear filter Science Exam board OCR TopicClear filter Proteins and mutations Resources Flashcards Multi-tool Science OCR Gateway B flashcards - B3, C3, P3 GCSE, Science 12 flashcards 1.0 / 5 Search again