Physics and maths tutor biology revision
Resources for A level biology revision organised by topic area and exam board. The notes are copies of the Bio Factsheets, and the questions are not specifically past exam paper ones, but still very useful for revision.
Save my exams
Past paper questions organised into topic areas, with mark schemes. Useful for OCR and Edexcel (no AQA Biology on here at time of adding this link). Only first couple of topics are free to access.
Heckmondwike Grammar School notes
Brilliant set of notes. Comprehensive detail, clearly explained with useful diagrams. Specifically written for Edexcel B but useful for all specifications. Also includes a data handling section which is really helpful for maths skills. Very very useful.
Sickle cell anaemia
Short video from the DNA Learning Centre explains how a point mutation causes the change to the structure of haemoglobin which leads to sickle cell anaemia (Edexcel spec.)
Difference between sense and antisense strands of DNA
From Major Differences site, explanation of the difference between the sense and antisense strands of DNA, including link to video (Edexcel spec.)
Revision notes site for AQA A level Biology (not clear if all new spec is covered) – revision guide style notes, topics in bullet points, useful for revision.
Ecology Fuseschool videos
Ecology videos from FuseSchool on Youtube – there are 40 videos here for GCSE on different ecology topics – not all will be relevant to your syllabus but many will, and they are short bitesize chunks ideal for revision.
Biology A2 videos Snaprevise
Videos covering revision of new A2 (year 2) AQA course, presented by a recent student, you need to sign up to site to watch them.
Useful site for revision, many topics covered with short multiple choice quizzes, keep your score and see your progress. Is a US site so not specific for A level specifications, but you will still find it useful, as it covers How Science Works type questions as well as many relevant other topics.
Meselson Stahl experiment
Comprehensive explanation with diagrams of the Meselson Stahl experiment to prove semi-conservative replication, from Khan Academy site.
Humans can now print genetic code and engineer life
From Futurism site – article explaining synthetic biology, includes video.
For new GCSE Biology (9-1) – revision site based on multiple choice questions for revision (so not IGCSE specifically)