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  1. A Level
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Biology Lessons

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Step-by-step Eduqas A Level Biology lessons by topic, building up to exam-style questions. Build a strong foundation in cell biology and biochemistry early on, since later topics on genetics, ecology and physiology all draw on these core concepts.

Core Concepts

Cell membranes and transport

Biological reactions are regulated by enzymes

Nucleic acids and their functions

Component 1: Energy for Life

Photosynthesis uses light energy to synthesise organic molecules

Respiration releases chemical energy in biological processes

Population size and ecosystems

Human impact on the environment

Component 2: Continuity of Life

All organisms are related through their evolutionary history

Genetic information is copied and passed on to daughter cells

Sexual reproduction in humans

Sexual reproduction in plants

Inheritance

Variation and evolution

Application of reproduction and genetics

Component 3: Requirements for Life

Adaptations for gas exchange

Adaptations for transport

Adaptations for nutrition

The nervous system

Options (choice of 1 option from 3)

Option A: Immunology and Disease

Option B: Human Musculoskeletal Anatomy

Option C: Neurobiology and Behaviour