Facilitated diffusion requires... A. A concentration gradient. B. Energy. C. Proteins to transport molecules across the membrane. D. A and C are correct. E. A, B and C are correct (All of the above).
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Step 1: Facilitated diffusion is the movement of particles from an area of high concentration to an area of low concentration. Show more…
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Facilitated diffusion across a membrane requires ______ and moves a solute ________ its concentration gradient. a. transport proteins... up (against) b. transport proteins... down c. energy and transport proteins... up d. energy and transport proteins... down
Diffusion.... (A) Can occur across the membrane or be facilitated with an integral transport protein (B) requires an expenditure of energy by the cell. (C) is a passive process in which molecules move from a region of higher concentration to a region of lower concentration. A & C are correct All of these are correct
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Which of the following is incorrect regarding facilitated diffusion? a. It is a passive process. b. It allows the movement of molecules from areas of low concentration to areas of high concentration. c. It may use either channel or carrier proteins. d. It allows the rapid transport of glucose across the membrane
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