Biology unit 2 AQA 2013 4.0 / 5 based on 2 ratings ? PhysicsASAQA Created by: Luca BCreated on: 15-01-13 10:41 84106391275 Across 1. Molecule that carries oxygen molecules from the lungs to respiring muscle cells. (11) 5. The name of non-coding DNA. (6) 6. Primary, secondary,______, quaternary. (8) 7. Half the number of chromosomes. (7) 8. Tiny vessels. (11) Down 2. Haemaglobin has an ________ for oxygen. (8) 3. _____ layer that helps maintain blood pressure by stretching and springing back. (7) 4. What one bacterium passes to another through the (16) tube. (7) 9. Highest taxonomic group. (7) 10. Name given to plants adapted to survive in dry conditions. (10)
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