Quiz: The Role of Diffusion in Transport
Pearson Edexcel Level 3 Advanced GCE in Biology A (Salters-Nuffield) (9BN0)
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Building on what you've learned about why animals need a circulatory system, let's test your knowledge of diffusion's role in transport!
What is diffusion?
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Which of the following are examples of diffusion in the body? (Select all that apply)
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Diffusion occurs because molecules move from a region of {{blank0}} concentration to a region of {{blank1}} concentration.
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Match the items on the left with their correct pairs on the right
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A cell has 10 oxygen molecules inside and 50 outside. What is the concentration gradient?
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Which factor increases the rate of diffusion?
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Match the items on the left with their correct pairs on the right
The rate of diffusion is affected by the {{blank0}} of the membrane, the {{blank1}} gradient, and the {{blank2}} area available.
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What is the role of diffusion in the circulatory system?
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