How Do Materials Move Across The Cell Membrane
3.1 The Cell Membrane – Anatomy & Physiology. If the substances can move across the cell membrane without the cell expending energy, the movement of molecules is called passive transport. Consider. Best Options for Operations how do materials move across the cell membrane and related matters. Cell Membranes | Learn Science at Scitable Simple diffusion and passive transport (article) | Khan Academy Cell Membranes | Learn Science at Scitable. Small polar molecules, such as water and ethanol, can also pass through membranes, but they do so more slowly....