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EnglandBiologyQuick questions
3.3 Organisms exchange substances with their environment
Quick questions on Surface area to volume ratio and Fick's law - AQA A-Level Biology 3.3
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
State Fick's law and define each of its three terms. [3 marks]
What is q2?Show answer
A spherical cell of radius 10 micrometres is compared with one of radius 40 micrometres. Explain, with reference to SA:V, which is better adapted for exchange by simple diffusion. [3 marks]
What is q3?Show answer
Explain how the structure of an alveolus relates to each term of Fick's law. [3 marks]
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