Transform your IGCSE Biology teaching with this ready-to-use Topic 4 resource!
Covering the key biological molecules – carbohydrates, fats, proteins, and DNA – this resource is packed with clear notes, comparison tables, chemical test results, and diagrams. It includes the chemical elements of each macromolecule, how large molecules are built from smaller units, the importance of food tests (iodine, Benedict’s, Biuret, ethanol, and DCPIP), and the structure of DNA with base pairing. Perfect for class teaching, independent study, or last-minute exam revision – it saves you hours of preparation while giving students everything they need to master this essential topic.
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