All of the following statements about facilitated diffusion

All of the following statements about facilitated diffusion are correct EXCEPT

A. a plot of rate of uptake by cells of the pertinent substance would be expected to give a hyperbolic curve.

B. depending on conditions, transport could occur in either direction across the membrane.

C. the process can allow a substance in cells to be accumulated against a concentration gradient.

D. an interaction between the substance transported and a membrane component is likely to occur.

E. competitive inhibition of the transport of a substance by its chemical analogs is likely to occur.

Solution

C.the process can allow a substance in cell to be accumulated against a concentration gradient