B2.2 diffusion 0.0 / 5 ? BiologyNervous system, hormones and behaviourGCSEAQA Created by: melisaCreated on: 16-09-13 23:09 What is diffusion? Diffusion is a passive process, not an active process. 1 of 9 Which change would NOT speed up diffusion in an animal cell? Make the cell rounder 2 of 9 Which substance moves out of respiring cells? Glucose moves into respiring cells. 3 of 9 Which word describes the loss of water from a damp leaf surface? Diffusion is the movement of a substance from a region of high to low concentration. 4 of 9 In plant cells, what acts as a partially permeable membrane? The vacuole is surrounded by a partially-permeable membrane. 5 of 9 What happens to red blood cells placed in water? They split open 6 of 9 How do gases move in and out of leaves? By diffusion. 7 of 9 How are plants supported by turgor pressure? Water pressure acts against an inelastic cell wall. 8 of 9 What will happen to cut fruit pieces sprinkled with sugar? They will lose water by osmosis 9 of 9
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