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Below you will find our collection of revision notes and video tutorials. For the best revision experience, use both the notes and the videos at the same time to help you follow along. All resources are updated for the latest AQA Biology specification.
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Video Tutorials
1. Biological molecules
- Introduction
- The structure & function of proteins
- The enzyme question
- Nucleic acids
- DNA replication
- View the extended Biology course at Tailored Tutors
2. Cells
- Methods of studying cells: magnification & resolution
- Transport across membranes: active transport & co-transport
- Cell division: mitosis
- The immune system: phagocytosis
- The immune system: T cells and B cells
- View the extended Biology course at Tailored Tutors
3. Exchanging substances
- Gas exchange in insects & fish
- Structure of the human heart
- Haemoglobin & bohr effect
- Mass transport in plants: xylem
- View the extended Biology course at Tailored Tutors
4. Genetics, classification & biodiversity
5. Energy transfers in & between organisms
- An introduction to photosynthesis
- Photosynthesis: the light dependent reaction
- Respiration: glycolysis
- Respiration: krebs cycle
- Productivity
- The nitrogen cycle
- View the extended Biology course at Tailored Tutors
6. Responding to changes in environments
- Plant responses: growth factors
- The pacinian corpuscle
- Control of heart rate
- The nervous system: action potentials
- Muscles: sliding filament theory
- Homeostasis: the kidneys
- View the extended Biology course at Tailored Tutors
7. Genetics, populations, evolution & ecosystems
- Monohybrid inheritance
- Inheritance: autosomal linkage
- Allopatric & sympatric speciation
- Abundance & distribution of organisms
- View the extended Biology course at Tailored Tutors