8AquaporinsWA09PDF

8AquaporinsWA09PDF - Key Concepts Covered by Exams...

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Unformatted text preview: Key Concepts Covered by Exams Aquaporins Be able to relate aquaporin structure to aquaporin function Be able to relate protein modification by phosphorylation to aquaporin function Recognize examples of aquaporin involvement (in human kidney, lung, eye, mouth, skin) in the regulation of water movement Aquaporins : Transport proteins allowing movement of (polar) water across (hydrophobic) lipid membranes Aquaporins: water channels across membranes; membrane- spanning proteins. http://www-als.lbl.gov/als/science/sci_archive/54aquaporin.html “Each aquaporin allows entry of up to 3 billion water molecules per second” Campbell et al . (8 th Edition), p. 131 Fill in the blank: To allow passage of water molecules across biological membranes, the outer regions of the aquaporin protein in contact with the membrane have to be __________ and the channel inside the protein has to be __________. A) hydrophilic, hydrophilic B) hydrophobic, hydrophobic C) hydrophilic, hydrophobic Fill in the blank: To allow passage of water molecules across...
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This note was uploaded on 05/19/2010 for the course BIO BIO taught by Professor Johnson during the Fall '10 term at Colorado.

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8AquaporinsWA09PDF - Key Concepts Covered by Exams...

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