Transport Across Membranes
How molecules necessary for life travel across cell membranes.
DiffusionClick the button below (Glencoe Online Learning Center - Diffusion through Cell Membranes) to investigate why diffusion is important for biological systems. Answer the quiz questions after viewing the animation. What small biological molecules do you think use simple diffusion to move across membranes?
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Facilitated DiffusionClick the button below (Glencoe Online Learning Center - Transport in Plants) to investigate facilitated diffusion. Answer the quiz questions after viewing the animation. What molecules use this process to move across membranes?
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Active TransportClick the button below (Glencoe Online Learning Center - Transport in Plants) to investigate active transport. What molecules use this process to move across membranes?
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