Membrane transporter
4 important questions on Membrane transporter
What particlues can go through membrane by passive diffusion?
What is a transporter? Name 3 different ones
- Uniporter: transports 1 molecule
- Symporter: transports 2 molecule same direction
- Antiporter: transports 2 molecule by exchanging
Which are ATP powered pumps?
- Natrium kalium pump
- Calcium pump
- ATPases
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What is a ABC transporter?
- are not phosphorylated, but only hydrolyse ATP into 2 ATP-binding domain
- outward transport
- ABCB1 present in normal cells (endothielicum, epithelium and stam cells)
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