IGCSE Biology Notes: Enzymes & Biological Molecules
IGCSE biology notes on enzymes need graph sketches (temperature and pH) and clear definitions — catalyst, active site, denatured.
Hub: IGCSE biology notes · Enzymes & pH keyword · Biological molecules exam tips.
Note page sections
| Section | Key points |
|---|---|
| Tests | Starch, reducing sugar, protein, fat — colours |
| Enzymes | Lock-and-key / induced fit (syllabus wording) |
| Factors | Temperature, pH, concentration — effect on rate |
| Molecules | Carbohydrate, protein, lipid roles (brief) |
Exam link
Practise explaining graphs in words — command words.
Frequently asked questions
Draw enzyme graphs from notes only?
Yes — weekly recall without looking.
Combined Science enzymes?
Combined science notes — less depth.
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