Quiz time.. Which of the following statements is TRUE? (a) Amoebae have carrier proteins that actively pump water molecules from the cytoplasm to the cell exterior. (b) Bacteria and animal cells rely on the Na+–K+ pump in the plasma membrane to prevent lysis due to osmotic imbalances. (c) The Na+–K+ pump allows animal cells to thrive under conditions of very low ionic strength. (d) The cell wall surrounding plant cells prevents osmosis. (e) The Na+–K+ pump helps to keep both Na+ and Cl– ions out of the cell.
Posted on: Sat, 08 Nov 2014 21:06:00 +0000