One way of balancing the concentration of ions and molecules within a cell is to use all but . atp transfers one of its phosphate groups (becoming adp) to a transfer protein. this protein changes its conformation so it can bring needed ions into the cell and get rid of unnecessary ions. a) cellular energy b) active transport c) membrane protein d) phospholipid channels

4. if a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water? a. water will move out of the cell, causing it to shrivel. b. water will move in and out of the cell at the same rate. c. water will move out of the cell, causing it to swell. d. water will move into the cell, causing it to swell.