Answer to Question #198581 in Biology for hen

Question

What type of graph (rate of uptake against concentration) would a substance entering a cell by diffusion produce?

What alternatively what type of graph would a substance entering a cell by active transport produce?

Answer 1

Simple diffusion would produce a linear graph as the rate of uptake directly depends on the concentration of the substance. Active transport would produce a logarithmic curve as the rate of uptake depends on the concentration of the substance and the number of available non-saturated transporters.