BIOA01H3 Lecture Notes - Lecture 18: Integral Membrane Protein, Membrane Transport, Osmosis

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12 Jun 2016
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Slide 18: hydrophobic nature restricts free movement of molecules. Osmosis is an example of passive membrane transport: doesn t require energy. Slide 19 : higher concentration to a lower concentration along to the concentration gradient. Also depend on the size of the concentration gradient. Slide 21: facilitate diffusion: channel proteins integral membrane protein: Slide 28: energy required is provided by atp. Bind to spector protein become into an excited state. Moving sodium from inside the cell to outside the cell. Moving potassium from outside the cell to inside the cell, to a higher gradient. Slide 30: secondary active transport: transport proteins use ion concentration gradient. Symport: transported solute and driving ion is going into the same direction. Anitport: driving port si moving one way and the transport ion is moving to another way.

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