Documents 3.3 Cell Membrane KEY CONCEPT The cell membrane is a barrier that separates a cell from the external...

Slide 13.3 Cell Membrane KEY CONCEPT The cell membrane is a barrier that separates a cell from the external environment. Slide 2 3.3 Cell Membrane Cell membranes are composed…

Documents 3.3 Cell Membrane KEY CONCEPT The cell membrane is a barrier that separates a cell from the external...

Slide 1 3.3 Cell Membrane KEY CONCEPT The cell membrane is a barrier that separates a cell from the external environment. Slide 2 3.3 Cell Membrane I can describe the structure…