Plasma membranes are selectively permeable.This means that

Question

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The term "selectively permeable" means that the plasma membrane chooses which substances can pass through more easily based on their size, charge, and other factors. This is necessary for the cell to maintain its internal environment and carry out its functions. Option B is incorrect because a healthy cell membrane still has selective permeability. Option C is incorrect because glucose can enter the cell through facilitated diffusion. Option D is incorrect because thicker plasma membranes would impede the movement of necessary substances into and out of the cell.

Plasma Membranes Are Selectively Permeable.This Means That