Dissolved Ions and Water-Soluble Compounds Cannot Cross the ________ Portion

Question

Dissolved ions and water-soluble compounds cannot cross the ________ portion of a plasma membrane.
A) integral protein
B) carbohydrate
C) peripheral protein
D) glycocalyx
E) lipid

Accepted Answer

The lipid bilayer portion of a plasma membrane is impermeable to charged ions and water-soluble compounds.