★ Musculoskeletal System Responses to Exercises Quiz
What is the role of Tropomyosin and Troponin in muscle contraction?
A. Release of Ca++
B. Prevent the attachment of myosin to actin
C. Bending of actin with myosin
D. Energy generation for muscle contraction
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What is the primary function of the Z-disc in muscle contraction?
A. Anchor myosin to actin filaments
B. Generate ATP for muscle contraction
C. Stabilize the sarcomere structure
D. Separate sarcomeres and define boundaries
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