Cell Identity - Cell Identity tissues - highly specialized...

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Cell Identity tissues - highly specialized cell groups found only in multicellular organisms each tissue cell performs only the functions of that tissue cells gain their identities by controlling the expression of the genes only specific sets of genes are turned on tissue-specific identity markers - mark cell surfaces as a particular type o cells of the same tissue type form connections when they recognize each other glycolipids - lipids w/ carbohydrate heads o accounts for majority of tissue-specific surface markers o responsible for differences between blood types MHC proteins - distinguishes cells of the organism from foreign cells o single-pass proteins anchored in the plasma membrane o immune system cells destroy cells w/o the correct identity markers intercellular adhesion - cells usually in physical contact w/ each other at all times cell junctions - permanent/long-lasting connections between cells tissue functions depend on how the cells connect
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This note was uploaded on 01/04/2012 for the course BSC BSC1005 taught by Professor Orlando,rebecca during the Fall '10 term at Broward College.

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Cell Identity - Cell Identity tissues - highly specialized...

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