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How does the structure of a tight junction differ from that of an anchoring junc

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How does the structure of a tight junction differ from that of an anchoring junc

How does the structure of a tight junction differ from that of an anchoring junction?

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julik

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11 years ago

At a tight junction the lipid portions of the opposing plasmalemmas are tightly bound together by interlocking membrane proteins, providing the strongest of intercellular connections; at a anchoring junction, the two plasmalemmas remain distinct but are powerfully attached by CAMs (cell adhesion molecules) and a layer of proteoglycans (intercellular cement), with a dense area of layered proteins inside each plasmalemma reinforcing the junction and binding it to the cell's cytoskeleton.

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