Question

1. cystic fibrosis is caused by a defect in a channel that regulates the passage of certain molecules out of the cell. this results in excess fluids in the space outside of the cells within the lungs. what cell structure is malfunctioning? use evidence to support your claim.

Explanation:

Cystic fibrosis is due to a defect in a membrane - associated channel. Cell membranes regulate the passage of substances in and out of cells. The evidence is that the malfunctioning channel affects the movement of molecules out of cells, leading to fluid imbalance outside lung cells.

Answer:

The cell membrane is malfunctioning.