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C2-03 Membrane Structure
Cell Bio
5
Biology
Professional
09/16/2010
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Term

 

 

Four major phospholipids in mammalian plasma membranes

 Definition
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Term

 

 

Key points of Membranes

 Definition

-Biological membranes are composed of a continuous lipid bilayer with embedded proteins.
- The bilayer is fluid at physiologic temperatures.
-The membrane lipids are amphipathic, and the most numerous are phospholipids.
Term

 

 

Key Points of Membranes II

 Definition

- The membranes are asymmetric, with varying distributions between cells or even cellular compartments.
- The head groups of some lipids form docking sites for specific cytosolic proteins.
-Some extracellular signals activate phospholipases that cleave selected phospholipid molecules in the plasma membrane, generating fragments that act as intracellular signaling molecules.
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FRAP

 Definition

 

 

- Fluorescence Recovery After Photobleaching
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FLIP

 Definition

 

 

- Fluorescence Loss In Photobleaching
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