All syllabus points covered Diagrams for Nitrogen cycle, Phosphorus cycle and Carbon cycle included. Detailed notes containing clear images.

All syllabus points covered from: 3.7 Genetics, populations, evolution and ecosystems Following topics covered: 3.7.1 Inheritance 3.7.2 Populations 3.7.3 Evolution may lead to speciation 3.7.4 Populations in ecosystems Detailed notes helped obtain A grade.

Full AS mechanism checklist AQA biology. PERFECT FOR ESSAY IN PAPER 3! APPROVED AND CHECKED BY MY TUTOR- AN AQA EXAMINER. content includes; Hydrolysis reactions, Condensation reactions, Complementary base pairing, Induced fit hypothesis and reaction kinetics, Competitive inhibition, Non competitive inhibition, Test for a protein, test for a sugar (reducing and non reducing), the test for starch, the test for a lipid and the effect of temperature, substrate concentration, enzyme concentration and...

Full AS mechanism checklist AQA biology. PERFECT FOR ESSAY IN PAPER 3! APPROVED AND CHECKED BY MY TUTOR- AN AQA EXAMINER. Content includes; Fluid mosaic model, The effect of a named variable on membrane fluidity, Meselson and stalls experiment, DNA replication and complementary base pairing, Destabilising selection/ disruptive, Classification.

Full AS mechanism checklist AQA biology. PERFECT FOR ESSAY IN PAPER 3! APPROVED AND CHECKED BY MY TUTOR- AN AQA EXAMINER. Content covered includes; Phagocytosis and antigen presentation, clonal selection, Clonal proliferation/expansion, ELISA test, Aseptic technique, Investigating selection, Vaccination.

Full AS mechanism checklist AQA biology. PERFECT FOR ESSAY IN PAPER 3! APPROVED AND CHECKED BY MY TUTOR- AN AQA EXAMINER. Content includes; Simple diffusion, facilitated diffusion, Active transport, Co transport, Ficks law, Gas exchange in insects, Gas exchange in fish.

Complete ASAQA biology mechanisms for gas exchange in mammels, Root tip squash practical, Stabilising selection, Directional selection, Evolution, Crossing over of chromatids, Random assortment/segregation, Mutation, Mitosis, Translation, Transcription. PERFECT FOR ESSAYS IN PAPER 3 ! Approved and checked by my biology tutor- an AQA examiner.

Full AS Biology Mechanisms (AQA) PERFECT FOR PAPER 3 ESSAYS!! Content includes; cooperativity, Bohr shift (Haemoglobin), Formation of tissue fluid, The cardiac cycle, Transpiration stream, Setting up a Potometer, Translocation. CHECKED AND APPROVED BY MY TUTOR - AN AQA EXAMINER.

Notes covering skeletal muscles according to the AQA Biology specification.