Biology · Muscular System

During muscle contraction, the functional extensions of myosin filaments that bind to actin are structurally referred to as ________.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1A-bands
2I-bands
3Z-lines
4Cross-bridges✓

Correct answer

Cross-bridges

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During muscle contraction, the functional extensions of myosin filaments that bind to actin are structurally referred to as ________.

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During muscle contraction, the functional extensions of myosin filaments that bind to actin are structurally referred to as ________.

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