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9. cell structure. a. caveolae - may function similar to T-tubules. b. no T-tubule system in smooth muscle. c. dense bodies . 1. act as Z bands. 2. contain ( actin. 3. held in place by intermediate bodies. d. contains mitochondria. e. limited Golgi apparatus. f. Ca++-Calmodulin pathway. 1. phosphorylatoin of myosin. 2. activated myosin binds ... ................
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