CSEC Biology Practice Questions - CSEC Biology (Caribbean Examinations Council, CXC) Exam

Diffusion can best be described as the net movement of particles from a region of:

Low concentration to high concentration using energy High concentration to low concentration down a concentration gradient High water potential to low water potential through a membrane only Low to high concentration through a partially permeable membrane only

Correct Answer:

High concentration to low concentration down a concentration gradient

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