Transport Across Membranes

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6 Terms

1
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4 Mechanisms of transport across membranes

  • Diffusion

  • Osmosis

  • Active Transport

  • Bulk Transport

2
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which of those are active/passive

  • osmosis and diffusion are passive

  • active transport and bulk transport are active

3
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Types of Diffusion

  • simple diffusion

  • facilitated diffusion (requires a membrane protein)

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Types of Osmosis

  • simple diffusion

  • facilitated diffusion with a specific membrane protein called aquaporin

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Types of active transport

  • Primary Active transport (energy in ATP)

  • Secondary Active transport (energy in conc gradient)

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Types of Bulk transport

  • endocytosis

  • exocytosis