PDF Biology - Brockington College

photosynthesis occurs. 3. In the nucleus 4. It is selectively permeable (also known as semi-permeable) and it decides what substances can go in or out. 5. It is where light energy is absorbed for photosynthesis6. chlorophyll 7. Cell sap (it contains sugars, salts and water) 8. It keeps the cell firm 9. They absorb water and minerals from the ... ................
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