Which of the following affects the rate of diffusion through a selectively permeable membrane? I.
Concentration gradient
II)
Temperature
III)
Molecular size
A) I only
B) II only
C) I and II
D) II and III
E) I, II, and III

Question

Quizplus · Accepted Answer

All three factors affect the rate of diffusion: the concentration gradient (greater differences increase the rate), temperature (higher temperatures increase kinetic energy and rate), and molecular size (smaller molecules diffuse faster).

Which of the Following Affects the Rate of Diffusion Through