To say that a cell is ʺselectively permeableʺ means
A) sometimes water passes through, and sometimes it canʹt.
B) it is permeable to different substances than other cells.
C) only certain molecules can pass through.
D) it has different-sized perforations in the membrane.
E) permeability depends on gradient differences.

Question

Quizplus · Accepted Answer

Selective permeability refers to the property of a cell membrane that allows certain molecules or ions to pass through it by means of active or passive transport, while preventing others. This is crucial for the cell to maintain its internal environment and to take in nutrients and expel wastes.

To Say That a Cell Is ʺSelectively Permeableʺ Means