A cell exchanges materials with its environment to provide raw materials for cell processes and. to remove waste products. The surface area to ratio 1IiI'olnme for a cell is he}? in determining the efciency of this exchange of materials. 1a:J Using the cube as a model for the cell, find the surface area to volume ratio (SI-11V) for cells of the following sizes: d = 2 X m m - d = 5 1E. 10'5 m dzlcxm-m d Area of one face of the cube = ntl2 Volume of cube = d3 1b:I Provide a general formula for the SHIV of a cube of side [1 and use it to explain how 533V changes with the size of the cube. 1c?| Use the formula to nd. the value of cl for which 533V is equal to: i} l m'1 is momma m'l