2 GCSE Biology resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter GCSE SubjectClear filter Biology Exam board All boards OCR TopicClear filter DNA and inheritance Enzymes and digestion Mutations Proteins Resources Revision Cards Revision Notes Proteins and mutations GCSE, Biology 3 revision cards B3 - Mutations: The Basics GCSE, Biology Revision notes Search again