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What is the radius of the tight junctions?(a) 3 Å(b) 4 Å(c) 5 Å(d) 6 ÅI got this question in an online interview.I need to ask this question from Extracellular Matrix and Cell Interactions topic in division Extracellular Matrix and Cell Interactions of Cell Biology

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Right OPTION is (b) 4 Å

Explanation: The RADIUS of the tight junction depends on the permeability of the materials which has to PASS through it. The claudin based pores have a radius of 4 Å. This may vary with DIFFERENT types of proteins.



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