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Latest Biology A Level Ocr 100% (400+ Questions With Verified Solutions 2023/2024
Biology A level OCR
Biology A level OCR
What is the MAIN role of membranes and what are the other roles? - ANSWER - COMPARTMENTALISATION -site of chemical reactions -cell signalling -cell adhesion How do cell membranes compartmentalise? - ANSWER Membranes are hydrophobic layers that separate different regions of substances dissolved in water. This hydrophobic layer acts as a barrier preventing the movement of hydrophilic molecules from one region to another. It keeps one compartment separate from another. What are the 3 examp...
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