The relative impermeability of membranes to watersoluble

molecules is a result of the
a. nonpolar nature of water molecules.
b. presence of large integral membrane proteins.
c. presence of inorganic salt crystals scattered
through some membranes.
d. presence of cutin and lignin in the membranes.
e. presence of phospholipids in the lipid bilayer.


Answer: e

Biology & Microbiology

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