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| Description: Above, during muscle contraction, thin filaments slide inward past thick filaments, reducing the width of the sarcomere.Right, molecular mechanism of contraction. For clarity, we show only two myosin heads. A head binds repeatedly to an actin filament and slides it toward the center of the sarcomere. Picture Stats: Views: 75 Filesize: 420.23kB Height: 1500 Width: 1255 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=47611 |