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Each tropomyosin is associated with _______ subunits of actin subunits.(a) 2(b) 3(c) 7(d) 9This question was addressed to me in semester exam.This question is from Cell Motility in portion Cytoskeleton and Cell Motility of Cell Biology

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The CORRECT OPTION is (c) 7

The best explanation: Tropomyosin is a 40 nm LONG ELONGATED molecule and it fits into the grooves of within the thin FILAMENTS. Each tropomyosin is associated with 7 actin subunits.



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