The cell membrane can be described most accurately as
A) permeable to all small molecules and ions.
B) impermeable to larger molecules independent of their chemical characteristics.
C) permeable to some molecules and impermeable to others.
D) impermeable to all polar molecules.
E) permeable to all molecules except water.
Correct Answer:
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Q4: How do large polar and charged molecules
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A)single
B)double
C)triple
D)single and
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