Cell Membranes Are Said to Be Selectively Permeable Because They

question 1

Multiple Choice

Cell membranes are said to be selectively permeable because they

• A)allow the free passage of some materials and restrict the passage of
• B)others.
• C)allow the passage of materials in one direction but not the other.
• D)permit the passage of most materials but not of water.
• E)Cell membranes are NOT normally selectively permeable.

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