Biology: every topic explained
30 short explanations for Biology, one per syllabus topic: the idea, the rules, the common mistake and a worked example. Each one links to our notes and a free test on that topic.
Introduction
Biological molecules
Enzymes
- Characteristics and mechanism of enzyme action
- Factors affecting enzyme action, inhibition and classification
The cell
- Cell theory, microscopy, cell wall and plasma membrane
- Cytoplasm and membrane-bound organelles
- Nucleus and prokaryotic and eukaryotic cells
Variety of life
Kingdom Prokaryotae
- Structure, forms and nutrition of bacteria
- Growth, reproduction, importance and control of bacteria; cyanobacteria
Kingdom Protista
Kingdom Fungi
Kingdom Plantae
Kingdom Animalia
Bioenergetics
- Photosynthesis: pigments and light-dependent reactions
- Photosynthesis: light-independent reactions and photorespiration
- Respiration
Nutrition
Gaseous exchange
Transport
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