AQA A-level Biology video lessons
Free video lessons for AQA A-level Biology (7402): each lesson teaches one specification point through a real exam question, a mark scheme, a model answer and the examiner trap.
Specification units
Content units 3.1 to 3.8Unit 3.1
Biological molecules
Monomers and polymers, carbohydrates, lipids, proteins and enzymes, nucleic acids, ATP, water and inorganic ions, with the exam questions that test them.
21 lessons · 87:04
Unit 3.2
Cells
Cell structure, microscopy, the cell cycle and mitosis, membranes and transport, and the immune response.
29 lessons · 116:39
Unit 3.3
Exchange with the environment
Surface area to volume ratio, gas exchange, digestion and absorption, and mass transport in animals and plants.
10 lessons · 41:41
Independent revision resource, not affiliated with or endorsed by AQA. Exam questions are original and written for these lessons. Lessons are added as they are published on YouTube.