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A level biology - Biological molecules (OCR spec)
1 - Molecular bonding
2 - Properties of water
3 - Carbohydrates
4 - Lipids
5 - Proteins
6 - inorganic ions
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A level biology - Cell structure (OCR spec)
1 - Microscopes
2 - Slides and photomicrographs
3 - PAG drawing photomicrographs
4 - The ultrastructure of eukaryotic cells
5 - Other features of eukaryotic cells
6 - Prokaryotic cells