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Unformatted text preview: Enzymatic activity • Thylacoids in chlorplasts • Christae in mitochondria • Part of the Electron Transport Chain Signal transduction • Receptors • Neurotransmitter receptors Cell-Cell Recognition • MHC proteins (major histocompatibility complex) allow your cells to recognize each other. Often glycoproteins Intrercellular joining • Junctions between cells. Adhesive. Cytoplasmic fibers go from one cell to the other. • Tight junctions – spot welds between the tissue so things can’t leak out • Gap junctions – result in electrical connections between cells – intercalated discs in cardiac muscles • Plasmodesmata – only in plant cells. Cytoplasm moves from one cell to another. Cells become one big network. • Attachment – connects the cytoskeleton to the extracellular matrix o Prephrephrial proteins. Actin or fibronectins of the extracellular matrix....
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- Spring '08
- Membrane Fluidity, Osmosis Mediated transport, hydrophilic Cells, fluid membrane