2 A2/A-level Chemistry resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter A2/A-level SubjectClear filter Chemistry Exam board OCR TopicClear filter DNA Fingerprinting Enzymes Rates Reaction Rates Resources Revision Cards 10.4: Enzymes and rates A2/A-level, Chemistry 1 revision cards The Thread of Life F334 A2/A-level, Chemistry 3 revision cards Search again