​A cell membrane that is selectively permeable ____.

A) ​allows only certain molecules to cross
B) ​shares cytoplasm with adjacent cells
C) ​is joined to adjacent cells by tight junctions
D) ​contains transport proteins made of peptidoglycan
E) ​has properties similar to prokaryotic capsules

Selectively Permeable

A characteristic of cell membranes that allows certain molecules or ions to pass through it by means of active or passive transport, while blocking others.

Transport Proteins

Proteins that span the cellular membrane and regulate the movement of substances across it, essential for cellular function and homeostasis.

Cytoplasm

The jelly-like substance within a cell that contains the organelles and is enclosed by the cell membrane.