Figure 5.5 The Following Questions Are Based on Figure 5.5

question 85

Multiple Choice

Figure 5.5
The following questions are based on Figure 5.5.
-Cystic fibrosis is a genetic disease in humans in which the CFTR protein, which functions as a chloride ion channel, is missing or nonfunctional in cell membranes. The CFTR protein belongs to what category of membrane proteins?

• A) gap junctions
• B) aquaporins
• C) electrogenic ion pumps
• D) cotransporters
• E) hydrophilic channels

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Definitions:

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