Biology A2 Topics

Length of course: 5 half-day sessions
Boards: AQA and OCR only

Exam Board Specification Title A2 Code 
AQA Biology 2411
OCR Biology H421

This course covers topics that are common to the above specifications in topic-specific sessions, as detailed below. Please note that board-specific courses for OCR and Edexcel are also offered in selected weeks on a first-come, first-served basis.

Synoptic links will be stressed throughout and examination techniques will be considered, including how best to approach ‘stretch and challenge’ questions.

Photosynthesis and Respiration: ATP and biological reactions; Light-dependent reaction; Light-independent reaction; Limiting factors; Aerobic respiration; Anaerobic respiration

Populations and Ecosystems: Investigating populations; Growth of populations; Factors
determining the size of populations; Energy transfer through ecosystems; Nutrient cycles; Succession

Cellular Control and Variation: The genetic code; Protein synthesis; Gene mutations; Regulation of transcription and translation; Meiosis (revisited); Inheritance; Selection and speciation; Gene cloning and transfer

Control and Coordination: Homeostasis involving nervous and hormonal systems; Temperature control; Control of heart rate; Stimuli and responses; Receptors; Sensory and motor neurons; Resting and action potentials; Synaptic transmission; Hormones: Control of blood glucose; Diabetes