EMERGENCY Base your answer to the question on the information below and on your knowledge of biology. In an experiment, a membrane bag containing 95% water and 5% salt was placed in abeaker containing 80% water and 20% salt, as shown below. The setup was put aside until the next day.

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer