Which of the following statements best describes a characteristic feature of diffusion?
A) It is very rapid over long distances.
B) It requires an expenditure of energy by the cell.
C) It is an active process in which molecules move from a region of lower concentration to a region of higher concentration.
D) It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration.

Question

Quizplus · Accepted Answer

Diffusion is a passive process where molecules move from an area of higher concentration to an area of lower concentration until equilibrium is reached, requiring no energy expenditure by the cell.

Which of the Following Statements Best Describes a Characteristic Feature