Which of these statements concerning the plasma membrane is correct? A)Under an electron microscope, the plasma membrane appears as two dark lines with a light space between. B)In its resting state, the plasma membrane is more permeable to Na⁺ than to K^-. C) The plasma membrane does not contain cholesterol. D) The plasma membrane can be seen under an ordinary light microscope.

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Under an electron microscope, the plasma membrane appears as two dark lines with a light space between. The other options are incorrect. B is false because in its resting state, the plasma membrane is more permeable to K+ ions than Na+ ions. C is false because the plasma membrane does contain cholesterol. D is false because the plasma membrane is too thin to be seen under an ordinary light microscope.

Which of These Statements Concerning the Plasma Membrane Is Correct