Which of the Following Is True About Cystic Fibrosis

question 11

Multiple Choice

Which of the following is true about cystic fibrosis?

• A)The normal CFTR channel protein is a chloride uniporter,but CF patients have a mutation that makes it require ATP.
• B)CFTR mutations result in a mutated protein,which pumps too many chloride ions out of the cell.
• C)There are no treatments for patients with CF that are specifically targeted to the CFTR receptor.
• D)Patients with the most common mutation make a CFTR protein that is not present in the membrane.

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