A Level Biology Notes

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Welcome to the A2 Biology Notes page! This page has notes relating to the OCR A-Level Biology specification, however this will also be useful for students sitting exams with different exam boards.

F214 Notes

The need for communication

Communication – Download PDF

Maintaining a regular body temperature – Download PDF

Action potentials – Download PDF

Synapses – Download PDF

Hormones – Download PDF

Regulation of blood glucose – Download PDF

Control of heart rate – Download PDF

Excretion

The need for excretion – Download PDF

The liver – Download PDF

The kidney – Download PDF

Osmoregulation – Download PDF

Kidney failure – Download PDF

Photosynthesis

Chloroplasts and photosynthesis – Download PDF

Light-dependent reactions – Download PDF

Light-independent reactions – Download PDF

Limiting factors – Download PDF

Respiration

Respiration – Download PDF

Glycolysis – Download PDF

Krebs cycle – Download PDF

Electron transport chain – Download PDF

Anaerobic respiration – Download PDF

Respiratory substrates – Download PDF

F215 Notes

Cellular control and variation

DNA and protein synthesis – Download PDF

Genetic mutations – Download PDF

The lac operon – Download PDF

Apoptosis – Download PDF

Meiosis – Download PDF

Genetics – Download PDF

The chi-squared test – Download PDF

Population genetics and genetic variation – Download PDF

Natural and artificial selection – Download PDF

Biotechnology and gene technologies

Natural and artificial clones of plants – Download PDF

Animal cloning – Download PDF

Biotechnology and batch cultures – Download PDF

Industrial enzymes – Download PDF

Sanger sequencing and the polymerase chain reaction – Download PDF

Genetic engineering – Download PDF

Gene therapy – Download PDF

Ecosystems and sustainability

Ecosystems – Download PDF

Energy transfer – Download PDF

Succession – Download PDF

Nitrogen cycle – Download PDF

Populations – Download PDF

Competition – Download PDF

Conservation – Download PDF

Responding to the environment

The nervous system – Download PDF

Muscle action – Download PDF

Animal behaviour – Download PDF

Primate behaviour – Download PDF

Dopamine and the DRD4 gene – Download PDF

Plant responses – Download PDF

Commercial uses of plant hormones – Download PDF