AQA A-level Biology Revision Notes
Our AQA A-Level Biology revision notes have been carefully compiled and written to provide you with simple explanations and images so you can grasp even the trickiest of concepts. Simply click on the topics that you wish to revise and go from there!
AQA 3.1 Biological Molecules
ATP as an Energy Source (A-level Biology)
The Synthesis and Hydrolysis of ATP (A-level Biology)
The Structure of ATP (A-level Biology)
Understanding Surface Area to Volume Ratio (A-level Biology)
Inorganic Ions (A-level Biology)
Properties of Water (A-level Biology)
Structure of Water (A-level Biology)
Synthesising Proteins from DNA (A-level Biology)
Structure of RNA (A-level Biology)
DNA Replication (A-level Biology)
AQA 3.2 Cells
Microbial Techniques (A-level Biology)
Bacteria, Antibiotics, and Other Medicines (A-level Biology)
Types of Immunity and Vaccinations (A-level Biology)
Structure and Function of Antibodies (A-level Biology)
The Adaptive Immune Response (A-level Biology)
The Innate Immune Response (A-level Biology)
Introduction to the Immune System (A-level Biology)
Primary Defences against Pathogens (A-level Biology)
Pathogens and Infectious Diseases (A-level Biology)
Transport Across Membranes: Active Transport (A-level Biology)
AQA 3.3 Organisms Exchange Substances with their Environment
Translocation and Evidence of the Mass Flow Hypothesis (A-level Biology)
The Phloem (A-level Biology)
Importance of and Evidence for Transpiration (A-level Biology)
Introduction to Transpiration (A-level Biology)
The Pathway and Movement of Water into the Roots and Xylem (A-level Biology)
The Xylem (A-level Biology)
Structure of The Heart (A-level Biology)
Transport of Carbon Dioxide (A-level Biology)
Transport of Oxygen (A-level Biology)
Exchange in Capillaries (A-level Biology)
AQA 3.4 Genetic information, variation and relationships between organisms
Biodiversity and Gene Technology (A-level Biology)
Calculating Genetic Diversity (A-level Biology)
Factors Affecting Biodiversity (A-level Biology)
Biodiversity Calculations (A-level Biology)
Introducing Biodiversity (A-level Biology)
The Three Domain System (A-level Biology)
Phylogeny and Classification (A-level Biology)
Classifying Organisms (A-level Biology)
Types of Selection (A-level Biology)
Mechanism of Natural Selection (A-level Biology)
AQA 3.5 Energy transfers in and between organisms
Nitrogen Cycle: Nitrification and Denitrification (A-level Biology)
The Phosphorus Cycle (A-level Biology)
Nitrogen Cycle: Fixation and Ammonification (A-level Biology)
Introduction to Nutrient Cycles (A-level Biology)
Reducing Biomass Loss (A-level Biology)
Sources of Biomass Loss (A-level Biology)
Transfer of Biomass (A-level Biology)
Measuring Biomass (A-level Biology)
Net Primary Production (A-level Biology)
Gross Primary Production (A-level Biology)
AQA 3.6 Organisms respond to changes in their internal and external environments
The Nervous System (A-level Biology)
Sources of ATP During Contraction (A-level Biology)
The Ultrastructure of the Sarcomere During Contraction (A-level Biology)
The Role of Troponin and Tropomyosin (A-level Biology)
The Structure of Myofibrils (A-level Biology)
Slow and Fast Twitch Muscles (A-level Biology)
The Structure of Mammalian Muscles (A-level Biology)
How Muscles Allow Movement (A-level Biology)
The Neuromuscular Junction (A-level Biology)
Features of Synapses (A-level Biology)
AQA 3.7 Genetics, populations, evolution and ecosystems
FAQs
What's covered on the AQA A-Level Biology exam?
The AQA A-Level Biology exam covers eight topics including Biological molecules, Cells, Organisms exchange substances with their environment, Genetic information, variation and relationships between organisms, Energy transfers in and between organisms, Organisms respond to changes in their internal and external environments, Genetics, populations, evolution and ecosystems, and The control of gene expression.
How long is the AQA A-Level Biology exam?
There are three papers that students need to sit, all lasting 2 hours. Paper 1 consists of a mixture of short and long answer questions, and extended response questions and has a weighting of 35%. Paper 2 consists of a mixture of short and long answer questions and a comprehension question and is also weighted at 35%. Paper 3 is weighted at 30% and comprises of structured questions, including practical techniques, critical analysis of given experimental data and one essay from a choice of two titles.
How can I revise using AQA A-Level Biology revision notes?
The most important thing to remember when revising is to actively read your notes to make sure you are internalising the information! Whether you do short bursts of revision using the notes or use them to create flashcards to test yourself, it is important to keep reminding yourself to stop and recap what you've just learnt to make sure it's going in!
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