Cystic fibrosis is a genetic disease in which thick mucus accumulates over several epithelia and eventually blocks the pulmonary airways. The molecular basis of this disease is the production of a defective

a. mucin.
b. chloride/bicarbonate channel.
c. Na+-K+ pump.
d. Na+-Ca2+ transporter.


Ans: b. chloride/bicarbonate channel.

Biology & Microbiology

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