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All curriculum guides/UK A-Levels/Biology

UK·Subject guide

Biology

A-Level Biology (AQA 7402), against the DfE/Ofqual subject content.

Editorially reviewed26 July 2026·A-Levels
Revision ↗︎Complete topic map ↓Official sources ↗︎
Biology·A-Levels
Topic nodes
8
Pathways and specifications
2
Nations and regions
1
Public references
2
Contents+
  1. 01Overview
  2. 02Complete topic map
  3. 03Where this subject applies
  4. 04Official sources
  5. 05In-depth guides

Contents

  1. 01Overview
  2. 02Complete topic map
  3. 03Where this subject applies
  4. 04Official sources
  5. 05In-depth guides

Overview

Biology

A-Level Biology (AQA 7402), against the DfE/Ofqual subject content.

Subject guide
A-Levels
Topics mapped
8

Complete topic map

Complete topic map

Every topic recorded for this subject in the curriculum is reproduced below in its full hierarchy. The descriptions reflect the mapped scope without implying additional exam rules.

  1. 01

    Biological molecules

    Structure and function of carbohydrates, lipids, proteins and nucleic acids, plus water, ions, enzymes and ATP.

  2. 02

    Cells

    Eukaryotic and prokaryotic cell structure, cell division, transport across membranes, and the immune system.

  3. 03

    Organisms exchange substances with their environment

    Surface-area-to-volume relationships and gas exchange, digestion and absorption, and mass transport in animals and plants.

  4. 04

    Genetic information, variation and relationships between organisms

    DNA, genes and protein synthesis, meiosis and genetic diversity, species classification and biodiversity.

  5. 05

    Energy transfers in and between organisms

    Photosynthesis, respiration, energy flow through ecosystems and nutrient cycling (A-level only).

  6. 06

    Organisms respond to changes in their internal and external environments

    Stimuli and responses, nervous and hormonal coordination, muscle contraction and homeostasis (A-level only).

  7. 07

    Genetics, populations, evolution and ecosystems

    Inheritance, allele frequencies and the Hardy-Weinberg principle, natural selection, speciation and ecosystem dynamics (A-level only).

  8. 08

    The control of gene expression

    Gene mutation, regulation of transcription and translation, epigenetics, cancer and gene technologies (A-level only).

Where this subject applies

Where this subject applies

These pathways and regions are explicitly connected to the subject in the curriculum.

Pathways and specifications

  1. 01

    AS-Level

    Advanced Subsidiary — the first year of A-Level study (standalone or first half of the full A-Level).

  2. 02

    A-Level (A2)

    The full Advanced Level — AS content plus the second-year A2 content.

Official sources

Official sources

The public sources below are referenced directly by this subject or by one of its topics.

This editorial selection points to the relevant official bodies. Always confirm current requirements, dates and amendments with your school or college and the appropriate awarding organisation.

2
Public references

S·01Department for Education (DfE)GCE AS and A level subject contentOpen source↗︎S·02Ofqual-regulated awarding bodies (AQA, OCR, Pearson, WJEC/Eduqas, CCEA)Awarding-body A-Level specifications & assessment objectivesOpen source↗︎

In-depth guides

In-depth guides

G·01How to read your A-Level specificationYour specification is the contract your exam is written from. How to find the right one, read it the way an examiner does, and turn it into a checklist you can revise against.5 min read→G·02Your A-Level revision plan: an 8-week methodA realistic eight-week A-Level revision plan: an honest audit first, then subjects in rotation with active recall, and full past papers on the clock to finish.8 min read→G·03How do A-Levels work? Papers, grading and results explainedExam boards and specifications, AS and A2, assessment objectives, A* to E grading and where results come from: how A-Levels fit together — without the myths.7 min read→

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UK · EuraStudy Guides

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