People with cystic fibrosis have significant respiratory difficulties and may have profound digestive complications because a genetic defect results in the inability to pump which ions across cell membranes?

Question

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People with cystic fibrosis have a genetic defect in the CFTR protein, which is responsible for pumping chloride ions across cell membranes. This leads to thick, sticky mucus in the respiratory, digestive, and reproductive systems, causing significant difficulties and complications.

People with Cystic Fibrosis Have Significant Respiratory Difficulties and May