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Title: during muscle contraction, myosin cross bridges attach to active sites of:? Post by: bug2012 on Oct 14, 2012 A.) myosin filaments B.) H zone C.)Zlines D.)actin filaments E.)thick filaments.
Title: during muscle contraction, myosin cross bridges attach to active sites of:? Post by: irina on Oct 14, 2012 D. Actin filaments. (also known as thin filaments)
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