Which of the following statements about facilitated diffusion is true?: (A) It is a form of active transport, (B) It requires a carrier protein, (C) Rate of transport is proportionate to the concentration gradient, (D) Requires creatine phosphate
Answer is B. Ans. (b) It requires a carrier proteinIf Diffusion happens without energy but with the help of carrier protein, it's called facilitated diffusionOne good example of a substance that use facilitated diffusion carrier protein is GLUCOSE transport using Glucose Transporters (GLUT)