Sliding filamet theory 0.0 / 5 ? Physical EducationAnatomy & physiologyA2/A-levelAQA Created by: StephanieCreated on: 08-11-16 07:30 Thin protein filament found in muscle cells Actin 1 of 8 Thick protein filament that together with actin form sarcomeres Myosin 2 of 8 Contractile units of skeletal muscle Sarcomeres 3 of 8 Protein which pulls trompomyosin out of the way Troponin 4 of 8 The arm and head of the myosin filament which extends to bind onto the actin filament Cross bridge 5 of 8 Ions which are relased when preparing the binding site Calcium 6 of 8 The ....... mechanism Ratchet 7 of 8 The protein that blocks access to the myosin binding site Tropmyosin 8 of 8
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