PLEASE HELP HAVE POSTED SAME QUESTION 5 TIMES!!! Why is diffusion important to cells? It permits the sorting of water molecules from solute molecules, such as sugar. It regulates salt content in the cell, preventing bloating and shriveling. It helps maintain the balance of materials needed for survival, such as oxygen and water. The back and forth movement creates extra energy as ADP is transformed into ATP.
The 3rd option:It helps maintain the balance of materials needed for survival, such as oxygen and water. These are essential to make a cell survive. Diffusion gets rid of waste which helps the needed things get to the cell.