Respuesta :
Answer:
The cell membrane
Explanation:
- The cell membrane is the outermost covering of a cell that is semipermeable and thus allows only selective transport of substances across the cell.
- The cell membrane is responsible for separating the internal contents of a cell from the external environment.
- The cell membrane is a phospholipid bilayer which has proteins present in it that either embedded deep within it or associated loosely.
- The cell membrane makes sure that the cell can maintain a constant ionic composition and protects it from the surrounding environment.
Answer:
The cell membrane
Explanation:
this also counts for other cells such as plant cells etc.