The rate of diffusion through a semipermeable membrane will be lowest when the
A) differences in concentration on either side are the greatest.
B) temperature is raised to near boiling.
C) differences in concentration on either side are the least.
D) actions of active transport override diffusion.
E) inside is hypertonic to the outside.

Question

Quizplus · Accepted Answer

Diffusion rate is lowest when the concentration gradient is minimal, as there is less driving force for molecules to move across the membrane.

The Rate of Diffusion Through a Semipermeable Membrane Will Be