Biology, 19.04.2020 03:47 Hfruit

Cell membranes are selectively permeable, regulating which substances can pass through, as well as how much of each substance can enter or exit at a given time. In cells, some molecules can move down their concentration gradients by crossing the phospholipid portion of the membrane directly, while others must pass through membrane proteins. Which of these statements does NOT apply to facilitated diffusion?

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Cell membranes are selectively permeable, regulating which substances can pass through, as well as h...