Cell y has a surface area of
40
 
μ
m
2
40μm
2
40, mu, start text, m, end text, squared and a volume of
8
 
μ
m
3
8μm
3
8, mu, start text, m, end text, cubed. cell z has a surface area of
72
 
μ
m
2
72μm
2
72, mu, start text, m, end text, squared and a volume of
12
 
μ
m
3
12μm
3
12, mu, start text, m, end text, cubed.
using the information above, determine the surface-area-to-volume ratio of each cell. what is the sa: v ratio of the cell that will exchange materials with its environment at the fastest rate of diffusion?