When there is excess water in the mucus 0.0 / 5 ? BiologyCellular processesASEdexcel Created by: kieratippettCreated on: 27-04-16 13:15 What is closed off when this happens? CFTR protein 1 of 10 Top of the cell is called... apical 2 of 10 Bottom of the cell is called... basal 3 of 10 How does the sodium ions diffuses from the mucus down the concentration gradient into the epithelial cells? facilitated diffusion 4 of 10 What is the cell called that lines the airway? epithelial 5 of 10 Sodium ions are pumped out of the cell with help from the [...] when there is excess water in the mucus carrier proteins 6 of 10 When the concentration of sodium ions in the cell falls, what increases across the apical membrane? concentration gradient 7 of 10 How does the chlorine diffuse out of the mucus? electrical diffusion 8 of 10 How is water drawn out of cells? osmosis 9 of 10 Water is drawn out of the cells due to a high... salt concentration 10 of 10
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