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    When a Substance Cannot Cross the Plasma Membrane by Itself,and
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When a Substance Cannot Cross the Plasma Membrane by Itself,and

Question 76

Question 76

Multiple Choice

When a substance cannot cross the plasma membrane by itself,and instead uses a protein carrier to move from high to low concentration,it uses


A) facilitated diffusion.
B) active transport.
C) osmosis.
D) simple diffusion.

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