Which of the following is true of a cell membranes?
a. cell membranes allow all substances to pass through easily
b. it is selectively permeable so only certain molecules can pass through it.
c. it acts more like a fluid than a solid because its molecules are constantly
d. cell membranes surround all animal, plant, and bacterial cells.
e. it is a bilayer composed mainly of phospholipids and proteins
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Which of the following is true of a cell membranes?
a. cell membranes allow all substances to...
a. cell membranes allow all substances to...
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