In class notes for October 12, 2007

In class notes for October 12, 2007 - Introduction to...

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Introduction to Biological Sciences 110a In class notes for October 12, 2007 Cells are group in tissues The tissues have specialized functions Skin tissues are a good example of fibrous tisues surrounding cells; the fibrous tissues is called the extracellular matrix The Extracellular Matrix o Functions Provides suitable environment Determines the mechanical properties of tissues o Strength o Resiliance o Adhesion Tells the cell where it is and what it should do (regulates functions) Signalling o Molecules in the matrix bind to the cell surface and it changes what goes on inside the cell o Is continuously remodeled o Macromolecules in the extracellular matrix Collagen Most abundant o Makes up more than a ¼ of our body protein o Important in bones, muscles, skin o And in all extracellular matrices Forms filaments Has a very unusual amino acid sequence o Gly-Pro-Hyp Called the hydroxyproline Causes the formation of a triple helix It is not an alpha helix
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Introduction to Biological Sciences 110a In class notes for October 12, 2007 Much more stretched out than the alpha helix, and very little
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This note was uploaded on 02/22/2009 for the course BSCI 110A taught by Professor Broadie/patton during the Fall '08 term at Vanderbilt.

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In class notes for October 12, 2007 - Introduction to...

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