Picture attached
In the diagram below, the dark dots indicate small molecules. These molecules are moving out of the cells, as indicated by the arrows. The number of dots inside and outside of the two cells
represents the relative concentrations of the molecules inside and outside of the cells.
ATP is being used to move the molecules out of the cell by
A. cell A only
B. cell B only
C.nether cell A or cell B
D. both cell A and cell B
