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QUESTIONS |
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| (a) | Cystic fibrosis is the most common genetic disease in Britain and it results when a protein known as CFTR is defective. | ||
| (i) | Explain what the role of the CFTR protein is in a healthy person | ||
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| (ii) | Explain what the effects of having defective CFTR proteins are. | ||
(2) |
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| (iii) | State the main symptoms of cystic fibrosis. | ||
(3) |
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