Membrane transport
Cell membranes regulate movement through passive and active transport mechanisms.
- Simple diffusion
- Facilitated diffusion
- Osmosis
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Cell membranes regulate movement through passive and active transport mechanisms.
Selective permeability
Controls which substances cross the membrane.
Concentration gradients
Drive diffusion toward equilibrium.
ATP-powered pumps
Move particles against a gradient.
Bulk transport
Uses vesicles for larger materials.
Correct. Active transport uses ATP to move substances against their gradient.
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