Some Diseases Result from Defective Transport Across the Membrane

question 107

Multiple Choice

Some diseases result from defective transport across the membrane. For example, cystic fibrosis results when a chloride ion transporter does not function. Which of the following is affected when this transporter does NOT function?

• A)the chloride concentration gradient
• B)the electrical gradient of the cell
• C)both the chloride concentration gradient and the electrical gradient of the cell
• D)neither the chloride gradient nor the electrical gradient of the cell

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