Cell Membrane Definition Quizlet. The plasma membrane uses the proteins embedded in its lipid bilayer to allow or block materials from entering the cell. The semipermeable membrane that encloses the cytoplasm of a cell.
This organelle is also referred to as plasma membrane. See the dictionary meaning, pronunciation, and sentence examples. The term cell membrane refers to the boundary of the cell as a whole, the term plasma membrane refers to the boundary of the cell or that of an organelle within the cell.
All cells are enclosed by a cell membrane.
The semipermeable membrane that encloses the cytoplasm of a cell. The term cell membrane refers to the boundary of the cell as a whole, the term plasma membrane refers to the boundary of the cell or that of an organelle within the cell. The cell membrane plays an important role in regulating the entry and exit of specific substances within the cell. During cell growth, the cell ingests certain molecules from its surroundings by selectively carrying them through its cell membrane.