This video covers: - The structure of DNA - What nucleotides are - Complementary base pairing - How genes code for proteins - The functions of proteins Exam board specific info: (probably useful for everyone though) AQA - Separate/triple science only IGCSE Edexcel - Separate/triple science and higher tier only Edexcel - Everything is relevant to your course! OCR 21st Century - Separate/triple science and higher tier only OCR Gateway - Separate/triple science only Maths Playlist:    • GCSE Maths (9-1)   GCSE Chemistry playlist: https://www.youtube.com/watch?v=fN8kH9Vvqo0 GCSE Biology Playlist: https://www.youtube.com/watch?v=--dIBinUdeU GCSE Physics Playlist: https://www.youtube.com/watch?v=aHVJfRxeAxo